Now, you can also have TZ contain the full rules. For instance for the "British Standard not Summer Time" of the early 70s, you can use the simplest form of specification:.
That timezone is correct for mainland Britain for the early 70s and for summer time since , but not for Winter time since and we can't tell for the future. Again, that TZ works from to now, but not necessarily otherwise. In the third case above, on GNU systems and I believe most other Unix-like systems , when TZ starts with a : , what followed is taken as a path to a timezone definition file.
Complementing Gilles answer; I am on the same time zone as the OP. Western European Time aka WET it is the official denomination; if memory does not fail me it was included for Portugal in the Unix timezones around Sign up to join this community. The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Learn more. Is my BST time zone an hour behind? Ask Question.
Asked 4 years, 5 months ago. Active 4 years, 5 months ago. Viewed 7k times. Improve this question. Rui F Ribeiro Done see edit. Good point. This question is off-topic as it has nothing to do with programming. Sorry about the wrong topic.
I didnt realise I had selected Programming Good luck. Add a comment. Active Oldest Votes. Improve this answer. Judder Judder 71 1 1 bronze badge. Asle Asle 2 2 gold badges 8 8 silver badges 20 20 bronze badges. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Elegant way to adjust date timezones in Python Ask Question.
Asked 8 years, 6 months ago. Active 4 years, 7 months ago. Viewed 6k times. Improve this question. Chris Chris 3 3 gold badges 12 12 silver badges 25 25 bronze badges. What are you trying to achieve exactly? Add a comment. Active Oldest Votes. Improve this answer. Community Bot 1 1 1 silver badge. You seem to be asking a few separate questions here.
The problem is that, as the docs say: Note that no concrete tzinfo classes are supplied by the datetime module. I'm not sure that fromtimestamp -based solution works on Windows for local timezones that have their utc offset changed e. Sebastian: The reason astimezone can't be applied to a naive timezone is that it assumes it's UTC. When it actually is UTC, this works. Although you may be right that it's not documented to work, in which case you can first replace with UTC.
It doesn't work. Just try it: datetime. From a quick test… it seems like it works in some of my Python versions, but not others… Given that, and the fact that the docs say it doesn't work, you're right, and I'll change the code. As for Windows: The OP wanted to "read the system timezone". Then you have to decide what you want to do. Do you want to render a local time as your OS would render it, as your OS would have rendered it at the time, or as it should be? If you want to convert a UTC input into a local time, regardless of which timezone you're in, try this: def utctolocal input : if time.
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