For strings such as 2012-09-19 01:27:30.000, DateTime.Parse cannot tell what time zone the date and time are from. DateTime has a Kind property, which can have one of three time zone options: Unspecified Local Utc NOTE If you are wishing to represent a date/time other than UTC or your local time zone, then you should … Read more
If you don’t want to provide your own tzinfo objects, check out the python-dateutil library. It provides tzinfo implementations on top of a zoneinfo (Olson) database such that you can refer to time zone rules by a somewhat canonical name. from datetime import datetime from dateutil import tz # METHOD 1: Hardcode zones: from_zone = … Read more
First, parse the string into a naive datetime object. This is an instance of datetime.datetime with no attached timezone information. See its documentation. Use the pytz module, which comes with a full list of time zones + UTC. Figure out what the local timezone is, construct a timezone object from it, and manipulate and attach … Read more
Convert UTC date time to local date time
How to convert a Date to UTC?
What are the “standard” timezone abbreviations? There are no standards for this. Time zone abbreviations are not officially coordinated by anyone. There are some used in the IANA TZDB, but a lot of those were just chosen at random. There is often debate on which abbreviations should be used. For example, look how many posts … Read more
If d = date(2011, 1, 1) is in UTC: >>> from datetime import datetime, date >>> import calendar >>> timestamp1 = calendar.timegm(d.timetuple()) >>> datetime.utcfromtimestamp(timestamp1) datetime.datetime(2011, 1, 1, 0, 0) If d is in local timezone: >>> import time >>> timestamp2 = time.mktime(d.timetuple()) # DO NOT USE IT WITH UTC DATE >>> datetime.fromtimestamp(timestamp2) datetime.datetime(2011, 1, 1, … Read more
Summary of answers and other data: (please add yours) Do: Whenever you are referring to an exact moment in time, persist the time according to a unified standard that is not affected by daylight savings. (GMT and UTC are equivalent with this regard, but it is preferred to use the term UTC. Notice that UTC … Read more