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Re:It's Time for a Change: Datetime.utcnow() Is Now Deprecated by Izkata on Sunday November 19, 2023 @12:58PM (#38335520)
> I'm trying to poke holes in the "always use UTC and you're good" advice.

There's a much simpler one - recurring meetings/events (in-person or local-ish like within one country) that cross a DST boundary. You always want these to be attached to a local time zone, so it doesn't suddenly happen an hour earlier/later than you intended.

Re:It's Time for a Change: Datetime.utcnow() Is Now Deprecated by fragmede on Sunday November 19, 2023 @02:16PM (#38336623)
Where that gets even more fun is with international meetings, where the host of the meeting and the attendees are in different zones.