2009i - Bangladesh suddenly switches to UTC

Martin Pitt martin.pitt at ubuntu.com
Mon Jun 15 08:20:52 UTC 2009


Hello,

with 2009i, which was supposed to fix DST in Bangladesh, I get a very
strange result:

| $ zdump -v Asia/Dhaka
| Asia/Dhaka  -9223372036854775808 = NULL
| Asia/Dhaka  -9223372036854689408 = NULL
| Asia/Dhaka  Tue Dec 31 17:58:19 1889 UTC = Tue Dec 31 23:59:59 1889 LMT isdst=0 gmtoff=21700
| Asia/Dhaka  Tue Dec 31 17:58:20 1889 UTC = Tue Dec 31 23:51:40 1889 HMT isdst=0 gmtoff=21200
| Asia/Dhaka  Tue Sep 30 18:06:39 1941 UTC = Tue Sep 30 23:59:59 1941 HMT isdst=0 gmtoff=21200
| Asia/Dhaka  Tue Sep 30 18:06:40 1941 UTC = Wed Oct  1 00:36:40 1941 BURT isdst=0 gmtoff=23400
| Asia/Dhaka  Thu May 14 17:29:59 1942 UTC = Thu May 14 23:59:59 1942 BURT isdst=0 gmtoff=23400
| Asia/Dhaka  Thu May 14 17:30:00 1942 UTC = Thu May 14 23:00:00 1942 IST isdst=0 gmtoff=19800
| Asia/Dhaka  Mon Aug 31 18:29:59 1942 UTC = Mon Aug 31 23:59:59 1942 IST isdst=0 gmtoff=19800
| Asia/Dhaka  Mon Aug 31 18:30:00 1942 UTC = Tue Sep  1 01:00:00 1942 BURT isdst=0 gmtoff=23400
| Asia/Dhaka  Sat Sep 29 17:29:59 1951 UTC = Sat Sep 29 23:59:59 1951 BURT isdst=0 gmtoff=23400
| Asia/Dhaka  Sat Sep 29 17:30:00 1951 UTC = Sat Sep 29 23:30:00 1951 DACT isdst=0 gmtoff=21600
| Asia/Dhaka  Thu Mar 25 17:59:59 1971 UTC = Thu Mar 25 23:59:59 1971 DACT isdst=0 gmtoff=21600
| Asia/Dhaka  Thu Mar 25 18:00:00 1971 UTC = Fri Mar 26 00:00:00 1971 BDT isdst=0 gmtoff=21600
| Asia/Dhaka  Fri Jun 19 17:59:59 2009 UTC = Fri Jun 19 23:59:59 2009 BDT isdst=0 gmtoff=21600
| Asia/Dhaka  Fri Jun 19 18:00:00 2009 UTC = Fri Jun 19 18:00:00 2009 UTC isdst=0 gmtoff=0
| Asia/Dhaka  9223372036854689407 = NULL
| Asia/Dhaka  9223372036854775807 = NULL

Note the third last line: It suddenly switches to UTC/gmtoff=0. This
doesn't look right?

Thank you for any enlightening,

Martin
-- 
Martin Pitt                        | http://www.piware.de
Ubuntu Developer (www.ubuntu.com)  | Debian Developer  (www.debian.org)
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