On 03/24/2015 04:56 PM, Chris Angelico wrote: > On Wed, Mar 25, 2015 at 9:24 AM, Dan Stromberg <drsali...@gmail.com> wrote: >> Is there a way of "adding" 4 hours and getting a jump of 5 hours on >> March 8th, 2015 (due to Daylight Savings Time), without hardcoding >> when to spring forward and when to fall back? I'd love it if there's >> some library that'll do this for me. > > Fundamentally, this requires knowledge of timezone data. That means > you have to select a political time zone, which basically means you > want the Olsen database (tzdata)
Yes, which is made available in Python via the pytz package. > which primarily works with city > names. I'm not sure whether "US/Pacific" is suitable; I usually use > "America/Los_Angeles" for Pacific US time. US/Pacific is an alias for America/Los_Angeles, and is also part of the Olson database (though I guess it's considered an "old" name for the timezone): https://github.com/eggert/tz/blob/master/backward Carl
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