diff -r 000000000000 -r fb9019fb1bf7 src/zoneinfo-global/America/Monterrey.ics
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/zoneinfo-global/America/Monterrey.ics	Tue Feb 10 18:12:00 2015 +0100
@@ -0,0 +1,64 @@
+BEGIN:VCALENDAR
+PRODID:-//tzurl.org//NONSGML Olson 2011n//EN
+VERSION:2.0
+BEGIN:VTIMEZONE
+TZID:America/Monterrey
+TZURL:http://tzurl.org/zoneinfo-global/America/Monterrey
+X-LIC-LOCATION:America/Monterrey
+BEGIN:DAYLIGHT
+TZOFFSETFROM:-0600
+TZOFFSETTO:-0500
+TZNAME:CDT
+DTSTART:20020407T020000
+RRULE:FREQ=YEARLY;BYMONTH=4;BYDAY=1SU
+END:DAYLIGHT
+BEGIN:STANDARD
+TZOFFSETFROM:-0500
+TZOFFSETTO:-0600
+TZNAME:CST
+DTSTART:20021027T020000
+RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
+END:STANDARD
+BEGIN:STANDARD
+TZOFFSETFROM:-064116
+TZOFFSETTO:-0600
+TZNAME:CST
+DTSTART:19211231T231844
+RDATE:19211231T231844
+END:STANDARD
+BEGIN:STANDARD
+TZOFFSETFROM:-0600
+TZOFFSETTO:-0600
+TZNAME:CST
+DTSTART:19880101T000000
+RDATE:19880101T000000
+RDATE:19890101T000000
+END:STANDARD
+BEGIN:DAYLIGHT
+TZOFFSETFROM:-0600
+TZOFFSETTO:-0500
+TZNAME:CDT
+DTSTART:19880403T020000
+RDATE:19880403T020000
+RDATE:19960407T020000
+RDATE:19970406T020000
+RDATE:19980405T020000
+RDATE:19990404T020000
+RDATE:20000402T020000
+RDATE:20010506T020000
+END:DAYLIGHT
+BEGIN:STANDARD
+TZOFFSETFROM:-0500
+TZOFFSETTO:-0600
+TZNAME:CST
+DTSTART:19881030T020000
+RDATE:19881030T020000
+RDATE:19961027T020000
+RDATE:19971026T020000
+RDATE:19981025T020000
+RDATE:19991031T020000
+RDATE:20001029T020000
+RDATE:20010930T020000
+END:STANDARD
+END:VTIMEZONE
+END:VCALENDAR