diff -r 000000000000 -r fb9019fb1bf7 src/zoneinfo/Antarctica/Mawson.ics
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/zoneinfo/Antarctica/Mawson.ics	Tue Feb 10 18:12:00 2015 +0100
@@ -0,0 +1,23 @@
+BEGIN:VCALENDAR
+PRODID:-//tzurl.org//NONSGML Olson 2011n//EN
+VERSION:2.0
+BEGIN:VTIMEZONE
+TZID:Antarctica/Mawson
+TZURL:http://tzurl.org/zoneinfo/Antarctica/Mawson
+X-LIC-LOCATION:Antarctica/Mawson
+BEGIN:STANDARD
+TZOFFSETFROM:+0000
+TZOFFSETTO:+0600
+TZNAME:MAWT
+DTSTART:19540213T000000
+RDATE:19540213T000000
+END:STANDARD
+BEGIN:STANDARD
+TZOFFSETFROM:+0600
+TZOFFSETTO:+0500
+TZNAME:MAWT
+DTSTART:20091018T020000
+RDATE:20091018T020000
+END:STANDARD
+END:VTIMEZONE
+END:VCALENDAR