2 PRODID:-//tzurl.org//NONSGML Olson 2009g//EN
\r
6 TZURL:http://tzurl.org/zoneinfo-outlook/America/Cancun
\r
7 X-LIC-LOCATION:America/Cancun
\r
12 DTSTART:19700405T020000
\r
13 RRULE:FREQ=YEARLY;BYMONTH=4;BYDAY=1SU
\r
19 DTSTART:19701025T020000
\r
20 RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
\r