Why does this
datetime not have any timezone info given that it is explicitly a UTC
I would expect that this would contain
That means it is timezone naive, so you can"t use it with
you can give it a timezone like this
import pytz # 3rd party: $ pip install pytz u = datetime.utcnow() u = u.replace(tzinfo=pytz.utc) #NOTE: it works only with a fixed utc offset
now you can change timezones
To get the current time in a given timezone, you could pass tzinfo to
#!/usr/bin/env python from datetime import datetime import pytz # $ pip install pytz print(datetime.now(pytz.timezone("America/New_York")))
It works for any timezone including those that observe daylight saving time (DST) i.e., it works for timezones that may have different utc offsets at different times (non-fixed utc offset). Don"t use
tz.localize(datetime.now()) -- it may fail during end-of-DST transition when the local time is ambiguous.
datetime.utcnow() doesn"t set
tzinfo to indicate that it is UTC, but
datetime.now(datetime.timezone.utc) does return UTC time with
So you can do:
>>> import datetime >>> datetime.datetime.now(datetime.timezone.utc) datetime.datetime(2014, 7, 10, 2, 43, 55, 230107, tzinfo=datetime.timezone.utc)
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