[swbz 29035] mktime vs non-DST
DJ Delorie
dj@redhat.com
Fri Aug 19 18:15:21 GMT 2022
Paul Eggert <eggert@cs.ucla.edu> writes:
> Perhaps see what FreeBSD etc. do with your examples? That might be helpful.
FreeBSD does this, which matches your patched version:
"America/New_York", 1615705199, = Sun, 2021-Mar-14 6:59:59 = Sun, 2021-Mar-14 1:59:59 = 0 -18000
1615705199 -> Sun Mar 14 06:59:59 2021 gmt, or Sun Mar 14 01:59:59 2021 local
- UNK:1615705199 returned Sun, 2021-Mar-14 1:59:59 STD
- STD:1615705199 returned Sun, 2021-Mar-14 1:59:59 STD
broken isdst=1: 1615701599 instead of 1615705199 (-3600)
- DST:1615701599 returned Sun, 2021-Mar-14 0:59:59 STD
"America/New_York", 1615705200, = Sun, 2021-Mar-14 7:00:00 = Sun, 2021-Mar-14 3:00:00 = 1 -14400
1615705200 -> Sun Mar 14 07:00:00 2021 gmt, or Sun Mar 14 03:00:00 2021 local
- UNK:1615705200 returned Sun, 2021-Mar-14 3:00:00 DST
broken isdst=0: 1615708800 instead of 1615705200 (+3600)
- STD:1615708800 returned Sun, 2021-Mar-14 4:00:00 DST
- DST:1615705200 returned Sun, 2021-Mar-14 3:00:00 DST
"America/New_York", 1636264799, = Sun, 2021-Nov-07 5:59:59 = Sun, 2021-Nov-07 1:59:59 = 1 -14400
1636264799 -> Sun Nov 7 05:59:59 2021 gmt, or Sun Nov 7 01:59:59 2021 local
"America/New_York", 1636264800, = Sun, 2021-Nov-07 6:00:00 = Sun, 2021-Nov-07 1:00:00 = 0 -18000
1636264800 -> Sun Nov 7 06:00:00 2021 gmt, or Sun Nov 7 01:00:00 2021 local
"America/New_York", 1641038400, = Sat, 2022-Jan-01 12:00:00 = Sat, 2022-Jan-01 7:00:00 = -1 -18000
1641038400 -> Sat Jan 1 12:00:00 2022 gmt, or Sat Jan 1 07:00:00 2022 local
- UNK:1641038400 returned Sat, 2022-Jan-01 7:00:00 STD
- STD:1641038400 returned Sat, 2022-Jan-01 7:00:00 STD
broken isdst=1: 1641034800 instead of 1641038400 (-3600)
- DST:1641034800 returned Sat, 2022-Jan-01 6:00:00 STD
"America/New_York", 1656676800, = Fri, 2022-Jul-01 12:00:00 = Fri, 2022-Jul-01 8:00:00 = -1 -14400
1656676800 -> Fri Jul 1 12:00:00 2022 gmt, or Fri Jul 1 08:00:00 2022 local
- UNK:1656676800 returned Fri, 2022-Jul-01 8:00:00 DST
broken isdst=0: 1656680400 instead of 1656676800 (+3600)
- STD:1656680400 returned Fri, 2022-Jul-01 9:00:00 DST
- DST:1656676800 returned Fri, 2022-Jul-01 8:00:00 DST
"Asia/Tokyo", 1641038400, = Sat, 2022-Jan-01 12:00:00 = Sat, 2022-Jan-01 21:00:00 = -1 32400
1641038400 -> Sat Jan 1 12:00:00 2022 gmt, or Sat Jan 1 21:00:00 2022 local
- UNK:1641038400 returned Sat, 2022-Jan-01 21:00:00 STD
- STD:1641038400 returned Sat, 2022-Jan-01 21:00:00 STD
broken isdst=1: 1641034800 instead of 1641038400 (-3600)
- DST:1641034800 returned Sat, 2022-Jan-01 20:00:00 STD
"Asia/Tokyo", 1656676800, = Fri, 2022-Jul-01 12:00:00 = Fri, 2022-Jul-01 21:00:00 = -1 32400
1656676800 -> Fri Jul 1 12:00:00 2022 gmt, or Fri Jul 1 21:00:00 2022 local
- UNK:1656676800 returned Fri, 2022-Jul-01 21:00:00 STD
- STD:1656676800 returned Fri, 2022-Jul-01 21:00:00 STD
broken isdst=1: 1656673200 instead of 1656676800 (-3600)
- DST:1656673200 returned Fri, 2022-Jul-01 20:00:00 STD
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