On 11.07.2017 15:39, Zefram wrote: > Dave Rolsky wrote: >> If you're trying to avoid these, the best advice I could give would be to >> avoid the 12am-4am window, which AFAIK is when most (all?) transitions have >> occurred historically. > > Most, but there are both historical and current exceptions. > America/Godthab (west Greenland) changes 22:00->23:00 and 23:00->22:00 > (base offset -03:00, with transition at 01:00 UT per EU rules). > America/Santiago (Chile) changes 00:00->23:00. Pacific/Easter (Easter > Island) changes 22:00->23:00 and 22:00->21:00 (changing at the same > time as Chile, but with base offset 2 hours to the west). Historically, > Africa/Casablanca (Morocco) changed 12:00->13:00 in a DST change in 1967. > And Pacific/Kwajalein (part of the Marshall Islands) jumped across the > international date line in the unfashionable direction, repeating 23 > hours of 1969-09-30. > > -zefram >
Wow, that's quite a cool bit of information. Thank you, very interesting! Did you memorize the tzfile of 1969 :-) Regards, Binarus
