3 ms·
You would still store both future times with offset. When calculating an offset for a future time you take the future time and the zone together to determine th
by jonesetc 6y ago
You would still store both future times with offset. When calculating an offset for a future time you take the future time and the zone together to determine the exact time with offset. DST is predictable.
- Macha 6y ago> DST is predictable No it isn't. * Europe postponed planned DST abolition due to COVID19: https://www.timeanddate.com/time/europe/eu-dst.html https://www.timeanddate.com/time/europe/eu-dst.html * Argentina had a period of deciding each year what the DST dates would be until one year they just decided not to: https://en.m.wikipedia.org/wiki/Daylight_saving_time_in_Argentina https://en.m.wikipedia.org/wiki/Daylight_saving_time_in_Arge... * Morocco and Yukon, Canada made updates to their DST policies earlier this year: https://mm.icann.org/pipermail/tz-announce/2020-April/000058.html https://mm.icann.org/pipermail/tz-announce/2020-April/000058...
- fanf2 6y agoDST schedules change several times each year, often with little prior notice. They changed in North America in 2007, which caused a lot of pain for software that thinks DST is predictable, such as Microsoft Exchange.