1 ;;; cal-hebrew.el --- calendar functions for the Hebrew calendar
3 ;; Copyright (C) 1995, 1997, 2001-2011 Free Software Foundation, Inc.
5 ;; Author: Nachum Dershowitz <nachum@cs.uiuc.edu>
6 ;; Edward M. Reingold <reingold@cs.uiuc.edu>
7 ;; Maintainer: Glenn Morris <rgm@gnu.org>
9 ;; Human-Keywords: Hebrew calendar, calendar, diary
12 ;; This file is part of GNU Emacs.
14 ;; GNU Emacs is free software: you can redistribute it and/or modify
15 ;; it under the terms of the GNU General Public License as published by
16 ;; the Free Software Foundation, either version 3 of the License, or
17 ;; (at your option) any later version.
19 ;; GNU Emacs is distributed in the hope that it will be useful,
20 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
21 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 ;; GNU General Public License for more details.
24 ;; You should have received a copy of the GNU General Public License
25 ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
35 (define-obsolete-variable-alias 'diary-sabbath-candles-minutes
36 'diary-hebrew-sabbath-candles-minutes
"23.1")
38 (defcustom diary-hebrew-sabbath-candles-minutes
18
39 "Number of minutes before sunset for sabbath candle lighting.
40 Used by `diary-hebrew-sabbath-candles'."
45 ;; End of user options.
47 (defun calendar-hebrew-leap-year-p (year)
48 "Non-nil if YEAR is a Hebrew calendar leap year."
49 (< (%
(1+ (* 7 year
)) 19) 7))
51 (defun calendar-hebrew-last-month-of-year (year)
52 "The last month of the Hebrew calendar YEAR."
53 (if (calendar-hebrew-leap-year-p year
)
57 (defun calendar-hebrew-elapsed-days (year)
58 "Days to mean conjunction of Tishri of Hebrew YEAR.
59 Measured from Sunday before start of Hebrew calendar."
60 (let* ((months-elapsed
61 (+ (* 235 (/ (1- year
) 19)) ; months in complete cycles so far
62 (* 12 (%
(1- year
) 19)) ; regular months in this cycle
63 (/ (1+ (* 7 (%
(1- year
) 19))) 19))) ; leap months this cycle
64 (parts-elapsed (+ 204 (* 793 (% months-elapsed
1080))))
67 (* 793 (/ months-elapsed
1080))
68 (/ parts-elapsed
1080)))
69 (parts ; conjunction parts
70 (+ (* 1080 (% hours-elapsed
24)) (% parts-elapsed
1080)))
71 (day ; conjunction day
72 (+ 1 (* 29 months-elapsed
) (/ hours-elapsed
24)))
74 (if (or (>= parts
19440) ; if the new moon is at or after midday
75 (and (= (% day
7) 2) ; ...or is on a Tuesday...
76 (>= parts
9924) ; at 9 hours, 204 parts or later...
77 ;; of a common year...
78 (not (calendar-hebrew-leap-year-p year
)))
79 (and (= (% day
7) 1) ; ...or is on a Monday...
80 (>= parts
16789) ; at 15 hours, 589 parts or later...
81 ;; at the end of a leap year.
82 (calendar-hebrew-leap-year-p (1- year
))))
83 ;; Then postpone Rosh HaShanah one day.
87 ;; If Rosh HaShanah would occur on Sunday, Wednesday, or Friday
88 (if (memq (% alternative-day
7) (list 0 3 5))
89 ;; Then postpone it one (more) day and return.
94 (defun calendar-hebrew-days-in-year (year)
95 "Number of days in Hebrew YEAR."
96 (- (calendar-hebrew-elapsed-days (1+ year
))
97 (calendar-hebrew-elapsed-days year
)))
99 (defun calendar-hebrew-long-heshvan-p (year)
100 "Non-nil if Heshvan is long in Hebrew YEAR."
101 (= (%
(calendar-hebrew-days-in-year year
) 10) 5))
103 (defun calendar-hebrew-short-kislev-p (year)
104 "Non-nil if Kislev is short in Hebrew YEAR."
105 (= (%
(calendar-hebrew-days-in-year year
) 10) 3))
107 (defun calendar-hebrew-last-day-of-month (month year
)
108 "The last day of MONTH in YEAR."
109 (if (or (memq month
(list 2 4 6 10 13))
110 (and (= month
12) (not (calendar-hebrew-leap-year-p year
)))
111 (and (= month
8) (not (calendar-hebrew-long-heshvan-p year
)))
112 (and (= month
9) (calendar-hebrew-short-kislev-p year
)))
116 (defun calendar-hebrew-to-absolute (date)
117 "Absolute date of Hebrew DATE.
118 The absolute date is the number of days elapsed since the (imaginary)
119 Gregorian date Sunday, December 31, 1 BC."
120 (let ((month (calendar-extract-month date
))
121 (day (calendar-extract-day date
))
122 (year (calendar-extract-year date
)))
123 (+ day
; days so far this month
124 (if (< month
7) ; before Tishri
125 ;; Then add days in prior months this year before and after Nisan.
127 m
7 (<= m
(calendar-hebrew-last-month-of-year year
))
128 (calendar-hebrew-last-day-of-month m year
))
131 (calendar-hebrew-last-day-of-month m year
)))
132 ;; Else add days in prior months this year.
135 (calendar-hebrew-last-day-of-month m year
)))
136 (calendar-hebrew-elapsed-days year
) ; days in prior years
137 -
1373429))) ; days elapsed before absolute date 1
139 (define-obsolete-function-alias 'calendar-absolute-from-hebrew
140 'calendar-hebrew-to-absolute
"23.1")
142 (defun calendar-hebrew-from-absolute (date)
143 "Compute the Hebrew date (month day year) corresponding to absolute DATE.
144 The absolute date is the number of days elapsed since the (imaginary)
145 Gregorian date Sunday, December 31, 1 BC."
146 (let* ((greg-date (calendar-gregorian-from-absolute date
))
147 (year (+ 3760 (calendar-extract-year greg-date
)))
148 (month (aref [9 10 11 12 1 2 3 4 7 7 7 8]
149 (1- (calendar-extract-month greg-date
))))
151 (while (>= date
(calendar-hebrew-to-absolute
152 (list 7 1 (1+ year
))))
153 (setq year
(1+ year
)))
154 (calendar-hebrew-last-month-of-year year
)))
157 (calendar-hebrew-to-absolute
159 (calendar-hebrew-last-day-of-month month year
)
161 (setq month
(1+ (% month length
))))
163 (- date
(calendar-hebrew-to-absolute (list month
1 year
)))))
164 (list month day year
)))
166 (defconst calendar-hebrew-month-name-array-common-year
167 ["Nisan" "Iyar" "Sivan" "Tammuz" "Av" "Elul" "Tishri"
168 "Heshvan" "Kislev" "Teveth" "Shevat" "Adar"]
169 "Array of strings giving the names of the Hebrew months in a common year.")
171 (defconst calendar-hebrew-month-name-array-leap-year
172 ["Nisan" "Iyar" "Sivan" "Tammuz" "Av" "Elul" "Tishri"
173 "Heshvan" "Kislev" "Teveth" "Shevat" "Adar I" "Adar II"]
174 "Array of strings giving the names of the Hebrew months in a leap year.")
177 (defun calendar-hebrew-date-string (&optional date
)
178 "String of Hebrew date before sunset of Gregorian DATE.
179 Defaults to today's date if DATE is not given.
180 Driven by the variable `calendar-date-display-form'."
181 (let* ((hebrew-date (calendar-hebrew-from-absolute
182 (calendar-absolute-from-gregorian
183 (or date
(calendar-current-date)))))
184 (calendar-month-name-array
185 (if (calendar-hebrew-leap-year-p (calendar-extract-year hebrew-date
))
186 calendar-hebrew-month-name-array-leap-year
187 calendar-hebrew-month-name-array-common-year
)))
188 (calendar-date-string hebrew-date nil t
)))
191 (defun calendar-hebrew-print-date ()
192 "Show the Hebrew calendar equivalent of the date under the cursor."
194 (message "Hebrew date (until sunset): %s"
195 (calendar-hebrew-date-string (calendar-cursor-to-date t
))))
197 (define-obsolete-function-alias 'calendar-print-hebrew-date
198 'calendar-hebrew-print-date
"23.1")
200 (defun calendar-hebrew-yahrzeit (death-date year
)
201 "Absolute date of the anniversary of Hebrew DEATH-DATE in Hebrew YEAR."
202 (let ((death-day (calendar-extract-day death-date
))
203 (death-month (calendar-extract-month death-date
))
204 (death-year (calendar-extract-year death-date
)))
206 ;; If it's Heshvan 30 it depends on the first anniversary; if
207 ;; that was not Heshvan 30, use the day before Kislev 1.
208 ((and (= death-month
8)
210 (not (calendar-hebrew-long-heshvan-p (1+ death-year
))))
211 (1- (calendar-hebrew-to-absolute (list 9 1 year
))))
212 ;; If it's Kislev 30 it depends on the first anniversary; if that
213 ;; was not Kislev 30, use the day before Teveth 1.
214 ((and (= death-month
9)
216 (calendar-hebrew-short-kislev-p (1+ death-year
)))
217 (1- (calendar-hebrew-to-absolute (list 10 1 year
))))
218 ;; If it's Adar II, use the same day in last month of year (Adar
221 (calendar-hebrew-to-absolute
222 (list (calendar-hebrew-last-month-of-year year
) death-day year
)))
223 ;; If it's the 30th in Adar I and year is not a leap year (so
224 ;; Adar has only 29 days), use the last day in Shevat.
225 ((and (= death-day
30)
227 (not (calendar-hebrew-leap-year-p year
)))
228 (calendar-hebrew-to-absolute (list 11 30 year
)))
229 ;; In all other cases, use the normal anniversary of the date of death.
230 (t (calendar-hebrew-to-absolute
231 (list death-month death-day year
))))))
233 (define-obsolete-function-alias 'hebrew-calendar-yahrzeit
234 'calendar-hebrew-yahrzeit
"23.1")
236 (defun calendar-hebrew-read-date ()
237 "Interactively read the arguments for a Hebrew date command.
238 Reads a year, month, and day."
239 (let* ((today (calendar-current-date))
241 "Hebrew calendar year (>3760): "
242 (lambda (x) (> x
3760))
244 (calendar-extract-year
245 (calendar-hebrew-from-absolute
246 (calendar-absolute-from-gregorian today
))))))
247 (month-array (if (calendar-hebrew-leap-year-p year
)
248 calendar-hebrew-month-name-array-leap-year
249 calendar-hebrew-month-name-array-common-year
))
250 (completion-ignore-case t
)
251 (month (cdr (assoc-string
253 "Hebrew calendar month name: "
254 (mapcar 'list
(append month-array nil
))
260 (calendar-make-alist month-array
)
263 (calendar-hebrew-to-absolute
265 (calendar-hebrew-last-day-of-month
269 (calendar-make-alist month-array
1) t
)))
270 (last (calendar-hebrew-last-day-of-month month year
))
271 (first (if (and (= year
3761) (= month
10))
274 (format "Hebrew calendar day (%d-%d): "
276 (lambda (x) (and (<= first x
) (<= x last
))))))
277 (list (list month day year
))))
280 (defun calendar-hebrew-goto-date (date &optional noecho
)
281 "Move cursor to Hebrew DATE; echo Hebrew date unless NOECHO is non-nil."
282 (interactive (calendar-hebrew-read-date))
283 (calendar-goto-date (calendar-gregorian-from-absolute
284 (calendar-hebrew-to-absolute date
)))
285 (or noecho
(calendar-hebrew-print-date)))
287 (define-obsolete-function-alias 'calendar-goto-hebrew-date
288 'calendar-hebrew-goto-date
"23.1")
290 (defvar displayed-month
) ; from calendar-generate
292 (defun calendar-hebrew-date-is-visible-p (month day
)
293 "Return non-nil if Hebrew MONTH DAY is visible in the calendar window.
294 Returns the corresponding Gregorian date."
295 ;; This test is only to speed things up a bit; it works fine without it.
296 (if (memq displayed-month
297 ;; What this is doing is equivalent to +1,2,3,4,5 modulo 12, ie:
298 ;; (mapcar (lambda (n) (let ((x (mod n 12)))
301 ;; (number-sequence (1+ month) (+ 5 month)))
302 ;; Ie it makes a list:
303 ;; 2 3 4 5 6 when month = 1
304 ;; 3 4 5 6 7 when month = 2
306 ;; 8 9 10 11 12 when month = 7
307 ;; 9 10 11 12 1 when month = 8
309 ;; 12 1 2 3 4 when month = 11
310 ;; 1 2 3 4 5 when month = 12
311 ;; This implies that hebrew month N cannot occur outside
312 ;; Gregorian months N:N+6 (the calendar shows
313 ;; displayed-month +/- 1 at any time).
314 ;; So to put it another way:
315 ;; (calendar-interval month 1 displayed-month
316 ;; (if (> month displayed-month) 2 1))
317 ;; must be >= 1 and <= 5. This could be expanded to:
318 ;; (if (> month displayed-month) (+ 12 (- displayed-month month))
319 ;; (- displayed-month month)
321 (if (< 11 month
) (- month
11) (+ month
1))
322 (if (< 10 month
) (- month
10) (+ month
2))
323 (if (< 9 month
) (- month
9) (+ month
3))
324 (if (< 8 month
) (- month
8) (+ month
4))
325 (if (< 7 month
) (- month
7) (+ month
5))))
326 (calendar-nongregorian-visible-p
327 month day
'calendar-hebrew-to-absolute
328 'calendar-hebrew-from-absolute
329 ;; Hebrew new year is start of month 7.
330 ;; If hmonth >= 7, choose the higher year.
331 (lambda (m) (> m
6)))))
333 ;;;###holiday-autoload
334 (defun holiday-hebrew (month day string
)
335 "Holiday on MONTH, DAY (Hebrew) called STRING.
336 If MONTH, DAY (Hebrew) is visible, the value returned is corresponding
337 Gregorian date in the form of the list (((month day year) STRING)). Returns
338 nil if it is not visible in the current calendar window."
339 (let ((gdate (calendar-hebrew-date-is-visible-p month day
)))
340 (if gdate
(list (list gdate string
)))))
342 ;; h-r-h-e should be called from holidays code.
343 (declare-function holiday-filter-visible-calendar
"holidays" (l))
345 (defvar displayed-year
)
347 ;;;###holiday-autoload
348 (defun holiday-hebrew-rosh-hashanah (&optional all
)
349 "List of dates related to Rosh Hashanah, as visible in calendar window.
350 Shows only the major holidays, unless `calendar-hebrew-all-holidays-flag'
352 (when (memq displayed-month
'(8 9 10 11))
353 (let ((abs-r-h (calendar-hebrew-to-absolute
354 (list 7 1 (+ displayed-year
3761)))))
355 (holiday-filter-visible-calendar
358 (list (calendar-gregorian-from-absolute abs-r-h
)
359 (format "Rosh HaShanah %d" (+ 3761 displayed-year
)))
360 (list (calendar-gregorian-from-absolute (+ abs-r-h
9))
362 (list (calendar-gregorian-from-absolute (+ abs-r-h
14))
364 (list (calendar-gregorian-from-absolute (+ abs-r-h
21))
366 (list (calendar-gregorian-from-absolute (+ abs-r-h
22))
368 (when (or all calendar-hebrew-all-holidays-flag
)
370 (list (calendar-gregorian-from-absolute
371 (calendar-dayname-on-or-before 6 (- abs-r-h
4)))
373 (list (calendar-gregorian-from-absolute (1- abs-r-h
))
374 "Erev Rosh HaShanah")
375 (list (calendar-gregorian-from-absolute (1+ abs-r-h
))
376 "Rosh HaShanah (second day)")
377 (list (calendar-gregorian-from-absolute
378 (+ abs-r-h
(if (= (% abs-r-h
7) 4) 3 2)))
380 (list (calendar-gregorian-from-absolute
381 (calendar-dayname-on-or-before 6 (+ 7 abs-r-h
)))
383 (list (calendar-gregorian-from-absolute (+ abs-r-h
8))
385 (list (calendar-gregorian-from-absolute (+ abs-r-h
13))
387 (list (calendar-gregorian-from-absolute (+ abs-r-h
15))
388 "Sukkot (second day)")
389 (list (calendar-gregorian-from-absolute (+ abs-r-h
16))
390 "Hol Hamoed Sukkot (first day)")
391 (list (calendar-gregorian-from-absolute (+ abs-r-h
17))
392 "Hol Hamoed Sukkot (second day)")
393 (list (calendar-gregorian-from-absolute (+ abs-r-h
18))
394 "Hol Hamoed Sukkot (third day)")
395 (list (calendar-gregorian-from-absolute (+ abs-r-h
19))
396 "Hol Hamoed Sukkot (fourth day)")
397 (list (calendar-gregorian-from-absolute (+ abs-r-h
20))
398 "Hoshanah Rabbah"))))))))
400 ;;;###holiday-autoload
401 (define-obsolete-function-alias 'holiday-rosh-hashanah-etc
402 'holiday-hebrew-rosh-hashanah
"23.1")
404 ;;;###holiday-autoload
405 (defun holiday-hebrew-hanukkah (&optional all
)
406 "List of dates related to Hanukkah, as visible in calendar window.
407 Shows only Hanukkah, unless `calendar-hebrew-all-holidays-flag' or ALL
409 ;; This test is only to speed things up a bit, it works fine without it.
410 (when (memq displayed-month
'(10 11 12 1 2))
411 (let* ((m displayed-month
)
414 (calendar-increment-month m y
1)
415 (calendar-extract-year
416 (calendar-hebrew-from-absolute
417 (calendar-absolute-from-gregorian
418 (list m
(calendar-last-day-of-month m y
) y
))))))
419 (abs-h (calendar-hebrew-to-absolute (list 9 25 h-y
)))
420 (ord ["first" "second" "third" "fourth" "fifth" "sixth"
423 (holiday-filter-visible-calendar
424 (if (or all calendar-hebrew-all-holidays-flag
)
427 (list (calendar-gregorian-from-absolute (1- abs-h
))
429 (dotimes (i 8 (nreverse han
))
431 (calendar-gregorian-from-absolute (+ abs-h i
))
432 (format "Hanukkah (%s day)" (aref ord i
)))
434 (list (list (calendar-gregorian-from-absolute abs-h
) "Hanukkah")))))))
436 ;;;###holiday-autoload
437 (define-obsolete-function-alias 'holiday-hanukkah
438 'holiday-hebrew-hanukkah
"23.1")
440 ;;;###holiday-autoload
441 (defun holiday-hebrew-passover (&optional all
)
442 "List of dates related to Passover, as visible in calendar window.
443 Shows only the major holidays, unless `calendar-hebrew-all-holidays-flag'
445 (when (< displayed-month
8)
446 (let ((abs-p (calendar-hebrew-to-absolute
447 (list 1 15 (+ displayed-year
3760)))))
448 (holiday-filter-visible-calendar
449 ;; The first two are out of order when the others are added.
452 (list (calendar-gregorian-from-absolute abs-p
) "Passover")
453 (list (calendar-gregorian-from-absolute (+ abs-p
50))
455 (when (or all calendar-hebrew-all-holidays-flag
)
456 (let ((wday (% abs-p
7)))
458 (list (calendar-gregorian-from-absolute
459 (calendar-dayname-on-or-before 6 (- abs-p
43)))
461 (list (calendar-gregorian-from-absolute
462 (calendar-dayname-on-or-before 6 (- abs-p
30)))
464 (list (calendar-gregorian-from-absolute
465 (- abs-p
(if (= wday
2) 33 31)))
467 (list (calendar-gregorian-from-absolute (- abs-p
31))
469 (list (calendar-gregorian-from-absolute (- abs-p
30))
471 (list (calendar-gregorian-from-absolute
472 (- abs-p
(if (zerop wday
) 28 29)))
474 (list (calendar-gregorian-from-absolute
475 (- (calendar-dayname-on-or-before 6 (- abs-p
14)) 7))
477 (list (calendar-gregorian-from-absolute
478 (calendar-dayname-on-or-before 6 (- abs-p
14)))
480 (list (calendar-gregorian-from-absolute
481 (calendar-dayname-on-or-before 6 (1- abs-p
)))
483 (list (calendar-gregorian-from-absolute (1- abs-p
))
485 (list (calendar-gregorian-from-absolute (1+ abs-p
))
486 "Passover (second day)")
487 (list (calendar-gregorian-from-absolute (+ abs-p
2))
488 "Hol Hamoed Passover (first day)")
489 (list (calendar-gregorian-from-absolute (+ abs-p
3))
490 "Hol Hamoed Passover (second day)")
491 (list (calendar-gregorian-from-absolute (+ abs-p
4))
492 "Hol Hamoed Passover (third day)")
493 (list (calendar-gregorian-from-absolute (+ abs-p
5))
494 "Hol Hamoed Passover (fourth day)")
495 (list (calendar-gregorian-from-absolute (+ abs-p
6))
496 "Passover (seventh day)")
497 (list (calendar-gregorian-from-absolute (+ abs-p
7))
498 "Passover (eighth day)")
499 (list (calendar-gregorian-from-absolute
500 (+ abs-p
(if (zerop (%
(+ abs-p
12) 7))
504 (list (calendar-gregorian-from-absolute
506 ;; If falls on Sat or Fri, moves to preceding Thurs.
507 ;; If falls on Mon, moves to Tues (since 2004).
508 (cond ((zerop wday
) 18) ; Sat
509 ((= wday
6) 19) ; Fri
510 ((= wday
2) 21) ; Mon
513 (list (calendar-gregorian-from-absolute (+ abs-p
33))
515 (list (calendar-gregorian-from-absolute (+ abs-p
43))
517 (list (calendar-gregorian-from-absolute (+ abs-p
49))
519 (list (calendar-gregorian-from-absolute (+ abs-p
51))
520 "Shavuot (second day)")))))))))
522 ;;;###holiday-autoload
523 (define-obsolete-function-alias 'holiday-passover-etc
524 'holiday-hebrew-passover
"23.1")
526 ;;;###holiday-autoload
527 (defun holiday-hebrew-tisha-b-av ()
528 "List of dates around Tisha B'Av, as visible in calendar window."
529 (when (memq displayed-month
'(5 6 7 8 9))
530 (let* ((abs-t-a (calendar-hebrew-to-absolute
531 (list 5 9 (+ displayed-year
3760))))
532 (wday (% abs-t-a
7)))
533 (holiday-filter-visible-calendar
535 (list (calendar-gregorian-from-absolute
536 (- abs-t-a
(if (= wday
6) 20 21)))
538 (list (calendar-gregorian-from-absolute
539 (calendar-dayname-on-or-before 6 abs-t-a
))
541 (list (calendar-gregorian-from-absolute
542 (if (= wday
6) (1+ abs-t-a
) abs-t-a
))
544 (list (calendar-gregorian-from-absolute
545 (calendar-dayname-on-or-before 6 (+ abs-t-a
7)))
546 "Shabbat Nahamu"))))))
548 ;;;###holiday-autoload
549 (define-obsolete-function-alias 'holiday-tisha-b-av-etc
550 'holiday-hebrew-tisha-b-av
"23.1")
552 (autoload 'holiday-julian
"cal-julian")
554 ;;;###holiday-autoload
555 (defun holiday-hebrew-misc ()
556 "Miscellaneous Hebrew holidays, if visible in calendar window.
557 Includes: Tal Umatar, Tzom Teveth, Tu B'Shevat, Shabbat Shirah, and
559 (let ((m displayed-month
)
566 (calendar-increment-month m y -
1)
567 (setq year
(calendar-extract-year
568 (calendar-julian-from-absolute
569 (calendar-absolute-from-gregorian (list m
1 y
)))))
570 (if (zerop (%
(1+ year
) 4))
572 21)) "\"Tal Umatar\" (evening)")
576 (setq h-year
(calendar-extract-year
577 (calendar-hebrew-from-absolute
578 (calendar-absolute-from-gregorian
579 (list displayed-month
28 displayed-year
)))))
580 (if (= 6 (%
(calendar-hebrew-to-absolute (list 10 10 h-year
))
584 (holiday-hebrew 11 15 "Tu B'Shevat")
588 (setq m displayed-month
591 (calendar-increment-month m y
1)
592 (calendar-extract-year
593 (calendar-hebrew-from-absolute
594 (calendar-absolute-from-gregorian
595 (list m
(calendar-last-day-of-month m y
) y
))))))
596 (calendar-extract-day
597 (calendar-hebrew-from-absolute
598 (calendar-dayname-on-or-before
599 6 (calendar-hebrew-to-absolute
602 (%
(calendar-hebrew-to-absolute
608 (setq m displayed-month
611 (calendar-increment-month m y -
1)
612 (calendar-extract-year
613 (calendar-julian-from-absolute
614 (calendar-absolute-from-gregorian (list m
1 y
))))))
616 (holiday-julian 3 26 "Kiddush HaHamah")))))
619 (autoload 'diary-list-entries-1
"diary-lib")
622 (defun diary-hebrew-list-entries ()
623 "Add any Hebrew date entries from the diary file to `diary-entries-list'.
624 Hebrew date diary entries must be prefaced by `diary-hebrew-entry-symbol'
625 \(normally an `H'). The same diary date forms govern the style
626 of the Hebrew calendar entries, except that the Hebrew month
627 names cannot be abbreviated. The Hebrew months are numbered
628 from 1 to 13 with Nisan being 1, 12 being Adar I and 13 being
629 Adar II; you must use `Adar I' if you want Adar of a common
630 Hebrew year. If a Hebrew date diary entry begins with
631 `diary-nonmarking-symbol', the entry will appear in the diary
632 listing, but will not be marked in the calendar. This function
633 is provided for use with `diary-nongregorian-listing-hook'."
634 (diary-list-entries-1 calendar-hebrew-month-name-array-leap-year
635 diary-hebrew-entry-symbol
636 'calendar-hebrew-from-absolute
))
638 (define-obsolete-function-alias 'list-hebrew-diary-entries
639 'diary-hebrew-list-entries
"23.1")
641 (autoload 'calendar-mark-complex
"diary-lib")
644 (defun calendar-hebrew-mark-date-pattern (month day year
&optional color
)
645 "Mark dates in calendar window that conform to Hebrew date MONTH/DAY/YEAR.
646 A value of 0 in any position is a wildcard. Optional argument COLOR is
647 passed to `calendar-mark-visible-date' as MARK."
648 ;; FIXME not the same as the Bahai and Islamic cases, so can't use
650 (with-current-buffer calendar-buffer
651 (if (and (not (zerop month
)) (not (zerop day
)))
652 (if (not (zerop year
))
653 ;; Fully specified Hebrew date.
654 (let ((date (calendar-gregorian-from-absolute
655 (calendar-hebrew-to-absolute
656 (list month day year
)))))
657 (if (calendar-date-is-visible-p date
)
658 (calendar-mark-visible-date date color
)))
659 ;; Month and day in any year.
660 (let ((gdate (calendar-hebrew-date-is-visible-p month day
)))
661 (if gdate
(calendar-mark-visible-date gdate color
))))
662 (calendar-mark-complex month day year
663 'calendar-hebrew-from-absolute color
))))
666 (define-obsolete-function-alias 'mark-hebrew-calendar-date-pattern
667 'calendar-hebrew-mark-date-pattern
"23.1")
669 (autoload 'diary-mark-entries-1
"diary-lib")
672 (defun diary-hebrew-mark-entries ()
673 "Mark days in the calendar window that have Hebrew date diary entries.
674 Marks each entry in `diary-file' (or included files) visible in the calendar
675 window. See `list-hebrew-diary-entries' for more information."
676 (diary-mark-entries-1 'calendar-hebrew-mark-date-pattern
677 calendar-hebrew-month-name-array-leap-year
678 diary-hebrew-entry-symbol
679 'calendar-hebrew-from-absolute
))
682 (define-obsolete-function-alias 'mark-hebrew-diary-entries
683 'diary-hebrew-mark-entries
"23.1")
685 (autoload 'diary-insert-entry-1
"diary-lib")
688 (defun diary-hebrew-insert-entry (arg)
689 "Insert a diary entry for the Hebrew date at point.
690 Prefix argument ARG makes the entry nonmarking."
692 (diary-insert-entry-1 nil arg calendar-hebrew-month-name-array-leap-year
693 diary-hebrew-entry-symbol
694 'calendar-hebrew-from-absolute
))
697 (define-obsolete-function-alias 'insert-hebrew-diary-entry
698 'diary-hebrew-insert-entry
"23.1")
701 (defun diary-hebrew-insert-monthly-entry (arg)
702 "Insert a monthly diary entry.
703 For the day of the Hebrew month corresponding to the date indicated by point.
704 Prefix argument ARG makes the entry nonmarking."
706 (diary-insert-entry-1 'monthly arg calendar-hebrew-month-name-array-leap-year
707 diary-hebrew-entry-symbol
708 'calendar-hebrew-from-absolute
))
710 (define-obsolete-function-alias 'insert-monthly-hebrew-diary-entry
711 'diary-hebrew-insert-monthly-entry
"23.1")
714 (defun diary-hebrew-insert-yearly-entry (arg)
715 "Insert an annual diary entry.
716 For the day of the Hebrew year corresponding to the date indicated by point.
717 Prefix argument ARG makes the entry nonmarking."
719 (diary-insert-entry-1 'yearly arg calendar-hebrew-month-name-array-leap-year
720 diary-hebrew-entry-symbol
721 'calendar-hebrew-from-absolute
))
723 (define-obsolete-function-alias 'insert-yearly-hebrew-diary-entry
724 'diary-hebrew-insert-yearly-entry
"23.1")
727 (defun calendar-hebrew-list-yahrzeits (death-date start-year end-year
)
728 "List Yahrzeit dates for *Gregorian* DEATH-DATE from START-YEAR to END-YEAR.
729 When called interactively from the calendar window, the date of death is taken
730 from the cursor position."
733 (if (equal (current-buffer) (get-buffer calendar-buffer
))
734 (calendar-cursor-to-date)
735 (let* ((today (calendar-current-date))
737 "Year of death (>0): "
739 (number-to-string (calendar-extract-year today
))))
740 (month-array calendar-month-name-array
)
741 (completion-ignore-case t
)
742 (month (cdr (assoc-string
744 "Month of death (name): "
745 (mapcar 'list
(append month-array nil
))
747 (calendar-make-alist month-array
1) t
)))
748 (last (calendar-last-day-of-month month year
))
750 (format "Day of death (1-%d): " last
)
751 (lambda (x) (and (< 0 x
) (<= x last
))))))
752 (list month day year
))))
753 (death-year (calendar-extract-year death-date
))
754 (start-year (calendar-read
755 (format "Starting year of Yahrzeit table (>%d): "
757 (lambda (x) (> x death-year
))
758 (number-to-string (1+ death-year
))))
759 (end-year (calendar-read
760 (format "Ending year of Yahrzeit table (>=%d): "
762 (lambda (x) (>= x start-year
)))))
763 (list death-date start-year end-year
)))
764 (message "Computing Yahrzeits...")
765 (let* ((h-date (calendar-hebrew-from-absolute
766 (calendar-absolute-from-gregorian death-date
)))
767 (h-month (calendar-extract-month h-date
))
768 (h-day (calendar-extract-day h-date
))
769 (h-year (calendar-extract-year h-date
))
771 (calendar-in-read-only-buffer calendar-hebrew-yahrzeit-buffer
772 (calendar-set-mode-line
773 (format "Yahrzeit dates for %s = %s"
774 (calendar-date-string death-date
)
775 (let ((calendar-month-name-array
776 (if (calendar-hebrew-leap-year-p h-year
)
777 calendar-hebrew-month-name-array-leap-year
778 calendar-hebrew-month-name-array-common-year
)))
779 (calendar-date-string h-date nil t
))))
780 (while (<= (setq i
(1+ i
)) end-year
)
782 (calendar-date-string
783 (calendar-gregorian-from-absolute
784 (calendar-hebrew-yahrzeit
786 (calendar-extract-year
787 (calendar-hebrew-from-absolute
788 (calendar-absolute-from-gregorian (list 1 1 i
))))))) "\n"))))
789 (message "Computing Yahrzeits...done"))
792 (define-obsolete-function-alias 'list-yahrzeit-dates
793 'calendar-hebrew-list-yahrzeits
"23.1")
795 (defun calendar-hebrew-birthday (date year
)
796 "Absolute date of the anniversary of Hebrew birth DATE, in Hebrew YEAR."
797 (let ((b-day (calendar-extract-day date
))
798 (b-month (calendar-extract-month date
))
799 (b-year (calendar-extract-year date
)))
800 ;; If it's Adar in a normal Hebrew year or Adar II in a Hebrew leap year...
801 (if (= b-month
(calendar-hebrew-last-month-of-year b-year
))
802 ;; ...then use the same day in last month of Hebrew year.
803 (calendar-hebrew-to-absolute
804 (list (calendar-hebrew-last-month-of-year year
) b-day year
))
805 ;; Else use the normal anniversary of the birth date,
806 ;; or the corresponding day in years without that date.
807 (+ (calendar-hebrew-to-absolute (list b-month
1 year
)) b-day -
1))))
811 ;; To be called from diary-list-sexp-entries, where DATE is bound.
813 (defun diary-hebrew-date ()
814 "Hebrew calendar equivalent of date diary entry."
815 (format "Hebrew date (until sunset): %s" (calendar-hebrew-date-string date
)))
818 (declare-function diary-ordinal-suffix
"diary-lib" (n))
821 (defun diary-hebrew-birthday (month day year
&optional after-sunset
)
822 "Hebrew birthday diary entry.
823 Entry applies if date is birthdate (MONTH DAY YEAR), or the day before.
824 The order of the input parameters changes according to
825 `calendar-date-style' (e.g. to DAY MONTH YEAR in the European style).
827 Assumes the associated diary entry is the name of the person.
829 Although the date of birth is specified by the *civil* calendar,
830 this function determines the proper Hebrew calendar birthday.
831 If the optional argument AFTER-SUNSET is non-nil, this means the
832 birth occurred after local sunset on the given civil date.
833 In this case, the following civil date corresponds to the Hebrew birthday."
834 (let* ((h-date (calendar-hebrew-from-absolute
835 (+ (calendar-absolute-from-gregorian
836 (diary-make-date month day year
))
837 (if after-sunset
1 0))))
838 (h-year (calendar-extract-year h-date
)) ; birth-day
839 (d (calendar-absolute-from-gregorian date
)) ; today
840 (h-yr (calendar-extract-year (calendar-hebrew-from-absolute d
)))
841 (age (- h-yr h-year
)) ; current H year - birth H-year
842 (b-date (calendar-hebrew-birthday h-date h-yr
)))
843 (and (> age
0) (memq b-date
(list d
(1+ d
)))
844 (format "%s's %d%s Hebrew birthday%s" entry age
845 (diary-ordinal-suffix age
)
846 (if (= b-date d
) "" " (evening)")))))
849 (defun diary-hebrew-omer (&optional mark
)
850 "Omer count diary entry.
851 Entry applies if date is within 50 days after Passover.
853 An optional parameter MARK specifies a face or single-character string to
854 use when highlighting the day in the calendar."
856 (calendar-hebrew-to-absolute
857 (list 1 15 (+ (calendar-extract-year date
) 3760))))
858 (omer (- (calendar-absolute-from-gregorian date
) passover
))
861 (if (and (> omer
0) (< omer
50))
863 (format "Day %d%s of the omer (until sunset)"
867 (format ", that is, %d week%s%s"
869 (if (= week
1) "" "s")
872 (format " and %d day%s"
873 day
(if (= day
1) "" "s"))))))))))
875 (define-obsolete-function-alias 'diary-omer
'diary-hebrew-omer
"23.1")
877 (autoload 'diary-make-date
"diary-lib")
879 (declare-function diary-ordinal-suffix
"diary-lib" (n))
882 (defun diary-hebrew-yahrzeit (death-month death-day death-year
883 &optional mark after-sunset
)
884 "Yahrzeit diary entry--entry applies if date is Yahrzeit or the day before.
885 Parameters are DEATH-MONTH, DEATH-DAY, DEATH-YEAR; the diary
886 entry is assumed to be the name of the person. Although the date
887 of death is specified by the civil calendar, the proper Hebrew
888 calendar Yahrzeit is determined.
890 If the death occurred after local sunset on the given civil date,
891 the following civil date corresponds to the Hebrew date of
892 death--set the optional parameter AFTER-SUNSET non-nil in this case.
894 The order of the input parameters changes according to `calendar-date-style'
895 \(e.g. to DEATH-DAY, DEATH-MONTH, DEATH-YEAR in the European style).
897 An optional parameter MARK specifies a face or single-character string to
898 use when highlighting the day in the calendar."
899 (let* ((h-date (calendar-hebrew-from-absolute
900 (+ (calendar-absolute-from-gregorian
901 (diary-make-date death-month death-day death-year
))
902 (if after-sunset
1 0))))
903 (h-month (calendar-extract-month h-date
))
904 (h-day (calendar-extract-day h-date
))
905 (h-year (calendar-extract-year h-date
))
906 (d (calendar-absolute-from-gregorian date
))
907 (yr (calendar-extract-year (calendar-hebrew-from-absolute d
)))
909 (y (calendar-hebrew-yahrzeit h-date yr
)))
910 (if (and (> diff
0) (or (= y d
) (= y
(1+ d
))))
912 (format "Yahrzeit of %s%s: %d%s anniversary"
914 (if (= y d
) "" " (evening)")
916 (diary-ordinal-suffix diff
))))))
919 (define-obsolete-function-alias 'diary-yahrzeit
'diary-hebrew-yahrzeit
"23.1")
922 (defun diary-hebrew-rosh-hodesh (&optional mark
)
923 "Rosh Hodesh diary entry.
924 Entry applies if date is Rosh Hodesh, the day before, or the Saturday before.
926 An optional parameter MARK specifies a face or single-character string to
927 use when highlighting the day in the calendar."
928 (let* ((d (calendar-absolute-from-gregorian date
))
929 (h-date (calendar-hebrew-from-absolute d
))
930 (h-month (calendar-extract-month h-date
))
931 (h-day (calendar-extract-day h-date
))
932 (h-year (calendar-extract-year h-date
))
933 (leap-year (calendar-hebrew-leap-year-p h-year
))
934 (last-day (calendar-hebrew-last-day-of-month h-month h-year
))
937 calendar-hebrew-month-name-array-leap-year
938 calendar-hebrew-month-name-array-common-year
))
939 (this-month (aref h-month-names
(1- h-month
)))
940 (h-yesterday (calendar-extract-day
941 (calendar-hebrew-from-absolute (1- d
)))))
942 (if (or (= h-day
30) (and (= h-day
1) (/= h-month
7)))
949 ;; Next month must be in the same year since this
950 ;; month can't be the last month of the year since
952 (aref h-month-names h-month
))
953 (if (= h-yesterday
30)
954 (format "%s (second day)" this-month
)
956 (if (= (% d
7) 6) ; Saturday--check for Shabbat Mevarchim
958 (cond ((and (> h-day
22) (/= h-month
6) (= 29 last-day
))
959 (format "Mevarchim Rosh Hodesh %s (%s)"
962 (calendar-hebrew-last-month-of-year
965 (aref calendar-day-name-array
(- 29 h-day
))))
966 ((and (< h-day
30) (> h-day
22) (= 30 last-day
))
967 (format "Mevarchim Rosh Hodesh %s (%s-%s)"
968 (aref h-month-names h-month
)
971 (aref calendar-day-name-array
(- 29 h-day
)))
972 (aref calendar-day-name-array
973 (%
(- 30 h-day
) 7))))))
974 (if (and (= h-day
29) (/= h-month
6))
976 (format "Erev Rosh Hodesh %s"
979 (calendar-hebrew-last-month-of-year
983 (define-obsolete-function-alias 'diary-rosh-hodesh
984 'diary-hebrew-rosh-hodesh
"23.1")
986 (defconst calendar-hebrew-parashiot-names
987 ["Bereshith" "Noah" "Lech L'cha" "Vayera" "Hayei Sarah" "Toledoth"
988 "Vayetze" "Vayishlah" "Vayeshev" "Mikketz" "Vayiggash" "Vayhi"
989 "Shemoth" "Vaera" "Bo" "Beshallah" "Yithro" "Mishpatim"
990 "Terumah" "Tetzavveh" "Ki Tissa" "Vayakhel" "Pekudei" "Vayikra"
991 "Tzav" "Shemini" "Tazria" "Metzora" "Aharei Moth" "Kedoshim"
992 "Emor" "Behar" "Behukkotai" "Bemidbar" "Naso" "Behaalot'cha"
993 "Shelah L'cha" "Korah" "Hukkath" "Balak" "Pinhas" "Mattoth"
994 "Masei" "Devarim" "Vaethanan" "Ekev" "Reeh" "Shofetim"
995 "Ki Tetze" "Ki Tavo" "Nitzavim" "Vayelech" "Haazinu"]
996 "The names of the parashiot in the Torah.")
998 (defun calendar-hebrew-parasha-name (p)
999 "Name(s) corresponding to parasha P."
1000 (if (arrayp p
) ; combined parasha
1002 (aref calendar-hebrew-parashiot-names
(aref p
0))
1003 (aref calendar-hebrew-parashiot-names
(aref p
1)))
1004 (aref calendar-hebrew-parashiot-names p
)))
1006 ;; Following 14 constants are used in diary-parasha (intern).
1008 ;; The seven ordinary year types (keviot).
1009 (defconst calendar-hebrew-year-Saturday-incomplete-Sunday
1010 [nil
52 nil nil
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 [21 22]
1011 23 24 nil
25 [26 27] [28 29] 30 [31 32] 33 34 35 36 37 38 39 40 [41 42]
1012 43 44 45 46 47 48 49 50]
1013 "The structure of the parashiot.
1014 Hebrew year starts on Saturday, is `incomplete' (Heshvan and Kislev each have
1015 29 days), and has Passover start on Sunday.")
1017 (defconst calendar-hebrew-year-Saturday-complete-Tuesday
1018 [nil
52 nil nil
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 [21 22]
1019 23 24 nil
25 [26 27] [28 29] 30 [31 32] 33 34 35 36 37 38 39 40 [41 42]
1020 43 44 45 46 47 48 49 [50 51]]
1021 "The structure of the parashiot.
1022 Hebrew year that starts on Saturday, is `complete' (Heshvan and Kislev each
1023 have 30 days), and has Passover start on Tuesday.")
1025 (defconst calendar-hebrew-year-Monday-incomplete-Tuesday
1026 [51 52 nil
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 [21 22]
1027 23 24 nil
25 [26 27] [28 29] 30 [31 32] 33 34 35 36 37 38 39 40 [41 42]
1028 43 44 45 46 47 48 49 [50 51]]
1029 "The structure of the parashiot.
1030 Hebrew year that starts on Monday, is `incomplete' (Heshvan and Kislev each
1031 have 29 days), and has Passover start on Tuesday.")
1033 (defconst calendar-hebrew-year-Monday-complete-Thursday
1034 [51 52 nil
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 [21 22]
1035 23 24 nil
25 [26 27] [28 29] 30 [31 32] 33 (nil .
34) (34 .
35) (35 .
36)
1036 (36 .
37) (37 .
38) ([38 39] .
39) 40 [41 42] 43 44 45 46 47 48 49 [50 51]]
1037 "The structure of the parashiot.
1038 Hebrew year that starts on Monday, is `complete' (Heshvan and Kislev each have
1039 30 days), and has Passover start on Thursday.")
1041 (defconst calendar-hebrew-year-Tuesday-regular-Thursday
1042 [51 52 nil
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 [21 22]
1043 23 24 nil
25 [26 27] [28 29] 30 [31 32] 33 (nil .
34) (34 .
35) (35 .
36)
1044 (36 .
37) (37 .
38) ([38 39] .
39) 40 [41 42] 43 44 45 46 47 48 49 [50 51]]
1045 "The structure of the parashiot.
1046 Hebrew year that starts on Tuesday, is `regular' (Heshvan has 29 days and
1047 Kislev has 30 days), and has Passover start on Thursday.")
1049 (defconst calendar-hebrew-year-Thursday-regular-Saturday
1050 [52 nil nil
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 [21 22] 23
1051 24 nil
(nil .
25) (25 .
[26 27]) ([26 27] .
[28 29]) ([28 29] .
30)
1052 (30 .
31) ([31 32] .
32) 33 34 35 36 37 38 39 40 [41 42] 43 44 45 46 47 48
1054 "The structure of the parashiot.
1055 Hebrew year that starts on Thursday, is `regular' (Heshvan has 29 days and
1056 Kislev has 30 days), and has Passover start on Saturday.")
1058 (defconst calendar-hebrew-year-Thursday-complete-Sunday
1059 [52 nil nil
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
1060 23 24 nil
25 [26 27] [28 29] 30 [31 32] 33 34 35 36 37 38 39 40 [41 42]
1061 43 44 45 46 47 48 49 50]
1062 "The structure of the parashiot.
1063 Hebrew year that starts on Thursday, is `complete' (Heshvan and Kislev each
1064 have 30 days), and has Passover start on Sunday.")
1066 ;; The seven leap year types (keviot).
1067 (defconst calendar-hebrew-year-Saturday-incomplete-Tuesday
1068 [nil
52 nil nil
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
1069 23 24 25 26 27 nil
28 29 30 31 32 33 34 35 36 37 38 39 40 [41 42]
1070 43 44 45 46 47 48 49 [50 51]]
1071 "The structure of the parashiot.
1072 Hebrew year that starts on Saturday, is `incomplete' (Heshvan and Kislev each
1073 have 29 days), and has Passover start on Tuesday.")
1075 (defconst calendar-hebrew-year-Saturday-complete-Thursday
1076 [nil
52 nil nil
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
1077 23 24 25 26 27 nil
28 29 30 31 32 33 (nil .
34) (34 .
35) (35 .
36)
1078 (36 .
37) (37 .
38) ([38 39] .
39) 40 [41 42] 43 44 45 46 47 48 49 [50 51]]
1079 "The structure of the parashiot.
1080 Hebrew year that starts on Saturday, is `complete' (Heshvan and Kislev each
1081 have 30 days), and has Passover start on Thursday.")
1083 (defconst calendar-hebrew-year-Monday-incomplete-Thursday
1084 [51 52 nil
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
1085 23 24 25 26 27 nil
28 29 30 31 32 33 (nil .
34) (34 .
35) (35 .
36)
1086 (36 .
37) (37 .
38) ([38 39] .
39) 40 [41 42] 43 44 45 46 47 48 49 [50 51]]
1087 "The structure of the parashiot.
1088 Hebrew year that starts on Monday, is `incomplete' (Heshvan and Kislev each
1089 have 29 days), and has Passover start on Thursday.")
1091 (defconst calendar-hebrew-year-Monday-complete-Saturday
1092 [51 52 nil
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
1093 23 24 25 26 27 nil
(nil .
28) (28 .
29) (29 .
30) (30 .
31) (31 .
32)
1094 (32 .
33) (33 .
34) (34 .
35) (35 .
36) (36 .
37) (37 .
38) (38 .
39)
1095 (39 .
40) (40 .
41) ([41 42] .
42) 43 44 45 46 47 48 49 50]
1096 "The structure of the parashiot.
1097 Hebrew year that starts on Monday, is `complete' (Heshvan and Kislev each have
1098 30 days), and has Passover start on Saturday.")
1100 (defconst calendar-hebrew-year-Tuesday-regular-Saturday
1101 [51 52 nil
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
1102 23 24 25 26 27 nil
(nil .
28) (28 .
29) (29 .
30) (30 .
31) (31 .
32)
1103 (32 .
33) (33 .
34) (34 .
35) (35 .
36) (36 .
37) (37 .
38) (38 .
39)
1104 (39 .
40) (40 .
41) ([41 42] .
42) 43 44 45 46 47 48 49 50]
1105 "The structure of the parashiot.
1106 Hebrew year that starts on Tuesday, is `regular' (Heshvan has 29 days and
1107 Kislev has 30 days), and has Passover start on Saturday.")
1109 (defconst calendar-hebrew-year-Thursday-incomplete-Sunday
1110 [52 nil nil
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
1111 23 24 25 26 27 28 nil
29 30 31 32 33 34 35 36 37 38 39 40 41 42
1112 43 44 45 46 47 48 49 50]
1113 "The structure of the parashiot.
1114 Hebrew year that starts on Thursday, is `incomplete' (Heshvan and Kislev both
1115 have 29 days), and has Passover start on Sunday.")
1117 (defconst calendar-hebrew-year-Thursday-complete-Tuesday
1118 [52 nil nil
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
1119 23 24 25 26 27 28 nil
29 30 31 32 33 34 35 36 37 38 39 40 41 42
1120 43 44 45 46 47 48 49 [50 51]]
1121 "The structure of the parashiot.
1122 Hebrew year that starts on Thursday, is `complete' (Heshvan and Kislev both
1123 have 30 days), and has Passover start on Tuesday.")
1125 ;;;###diary-autoload
1126 (defun diary-hebrew-parasha (&optional mark
)
1127 "Parasha diary entry--entry applies if date is a Saturday.
1128 An optional parameter MARK specifies a face or single-character string to
1129 use when highlighting the day in the calendar."
1130 (let ((d (calendar-absolute-from-gregorian date
)))
1131 (if (= (% d
7) 6) ; Saturday
1132 (let* ((h-year (calendar-extract-year
1133 (calendar-hebrew-from-absolute d
)))
1135 (calendar-hebrew-to-absolute (list 7 1 h-year
)))
1137 (calendar-hebrew-to-absolute (list 1 15 h-year
)))
1139 (aref calendar-day-name-array
(% rosh-hashanah
7)))
1141 (aref calendar-day-name-array
(% passover
7)))
1142 (long-h (calendar-hebrew-long-heshvan-p h-year
))
1143 (short-k (calendar-hebrew-short-kislev-p h-year
))
1144 (type (cond ((and long-h
(not short-k
)) "complete")
1145 ((and (not long-h
) short-k
) "incomplete")
1149 (intern (format "calendar-hebrew-year-%s-%s-%s" ; keviah
1150 rosh-hashanah-day type passover-day
))))
1151 (first-saturday ; of Hebrew year
1152 (calendar-dayname-on-or-before 6 (+ 6 rosh-hashanah
)))
1153 (saturday ; which Saturday of the Hebrew year
1154 (/ (- d first-saturday
) 7))
1155 (parasha (aref year-format saturday
)))
1160 (if (listp parasha
) ; Israel differs from diaspora
1162 (format "%s (diaspora), %s (Israel)"
1163 (calendar-hebrew-parasha-name
1165 (calendar-hebrew-parasha-name
1167 (format "%s (Israel)"
1168 (calendar-hebrew-parasha-name
1170 (calendar-hebrew-parasha-name parasha
)))))))))
1172 (define-obsolete-function-alias 'diary-parasha
'diary-hebrew-parasha
"23.1")
1175 (declare-function solar-setup
"solar" ())
1176 (declare-function solar-sunrise-sunset
"solar" (date))
1177 (defvar calendar-latitude
)
1178 (defvar calendar-longitude
)
1179 (defvar calendar-time-zone
)
1182 ;; To be called from diary-list-sexp-entries, where DATE is bound.
1183 ;;;###diary-autoload
1184 (defun diary-hebrew-sabbath-candles (&optional mark
)
1185 "Local time of candle lighting diary entry--applies if date is a Friday.
1186 No diary entry if there is no sunset on that date. Uses
1187 `diary-hebrew-sabbath-candles-minutes'.
1189 An optional parameter MARK specifies a face or single-character string to
1190 use when highlighting the day in the calendar."
1192 (or (and calendar-latitude calendar-longitude calendar-time-zone
)
1194 (if (= (%
(calendar-absolute-from-gregorian date
) 7) 5) ; Friday
1195 (let ((sunset (cadr (solar-sunrise-sunset date
))))
1198 "%s Sabbath candle lighting"
1199 (apply 'solar-time-string
1200 (cons (- (car sunset
)
1201 (/ diary-hebrew-sabbath-candles-minutes
1203 (cdr sunset
)))))))))
1205 ;;;###diary-autoload
1206 (define-obsolete-function-alias 'diary-sabbath-candles
1207 'diary-hebrew-sabbath-candles
"23.1")
1210 (provide 'cal-hebrew
)
1212 ;;; cal-hebrew.el ends here