BEGIN:VCALENDAR
PRODID:-//Inverse inc.//NONSGML IANA 2016h//EN
VERSION:2.0
BEGIN:VTIMEZONE
TZID:America/Mexico_City
X-LIC-LOCATION:America/Mexico_City
BEGIN:DAYLIGHT
TZOFFSETFROM:-0600
TZOFFSETTO:-0500
TZNAME:CDT
DTSTART:19700405T020000
RRULE:FREQ=YEARLY;BYMONTH=4;BYDAY=1SU
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:-0500
TZOFFSETTO:-0600
TZNAME:CST
DTSTART:19701025T020000
RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
END:STANDARD
END:VTIMEZONE
END:VCALENDAR