Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.lang.python > #59210

Re: datetime question

Path csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!newsfeed.xs4all.nl!newsfeed1.news.xs4all.nl!xs4all!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail
Return-Path <python.list@tim.thechases.com>
X-Original-To python-list@python.org
Delivered-To python-list@mail.python.org
X-Spam-Status OK 0.029
X-Spam-Evidence '*H*': 0.94; '*S*': 0.00; 'subject:question': 0.10; 'cc:addr:python-list': 0.11; '-tkc': 0.16; 'from:addr:python.list': 0.16; 'from:addr:tim.thechases.com': 0.16; 'from:name:tim chase': 0.16; 'internally': 0.16; 'then?': 0.16; 'utc': 0.16; 'wrote:': 0.18; 'possible,': 0.19; 'cc:addr:python.org': 0.22; 'cc:2**0': 0.24; 'cc:no real name:2**0': 0.24; 'header:In-Reply-To:1': 0.27; 'operations.': 0.31; 'convert': 0.35; 'but': 0.35; 'charset:us-ascii': 0.36; 'should': 0.36; 'server': 0.38; 'how': 0.40; 'back': 0.62; 'soon': 0.63; 'to:addr:gmail.com': 0.65; 'presented': 0.69; 'received:50.22': 0.84
Date Tue, 12 Nov 2013 09:54:44 -0600
From Tim Chase <python.list@tim.thechases.com>
To Ferrous Cranus <nikos.gr33k@gmail.com>
Subject Re: datetime question
In-Reply-To <l5th81$a2$5@dont-email.me>
References <l5jk15$de$1@dont-email.me> <l5sv4a$a2$1@dont-email.me> <mailman.2459.1384260501.18130.python-list@python.org> <l5tam0$a2$2@dont-email.me> <mailman.2463.1384265037.18130.python-list@python.org> <l5td0v$a2$4@dont-email.me> <mailman.2466.1384268259.18130.python-list@python.org> <l5th81$a2$5@dont-email.me>
X-Mailer Claws Mail 3.8.1 (GTK+ 2.24.10; x86_64-pc-linux-gnu)
Mime-Version 1.0
Content-Type text/plain; charset=US-ASCII
Content-Transfer-Encoding 7bit
X-AntiAbuse This header was added to track abuse, please include it with any abuse report
X-AntiAbuse Primary Hostname - boston.accountservergroup.com
X-AntiAbuse Original Domain - python.org
X-AntiAbuse Originator/Caller UID/GID - [47 12] / [47 12]
X-AntiAbuse Sender Address Domain - tim.thechases.com
X-Get-Message-Sender-Via boston.accountservergroup.com: authenticated_id: tim@thechases.com
Cc python-list@python.org
X-BeenThere python-list@python.org
X-Mailman-Version 2.1.15
Precedence list
List-Id General discussion list for the Python programming language <python-list.python.org>
List-Unsubscribe <https://mail.python.org/mailman/options/python-list>, <mailto:python-list-request@python.org?subject=unsubscribe>
List-Archive <http://mail.python.org/pipermail/python-list/>
List-Post <mailto:python-list@python.org>
List-Help <mailto:python-list-request@python.org?subject=help>
List-Subscribe <https://mail.python.org/mailman/listinfo/python-list>, <mailto:python-list-request@python.org?subject=subscribe>
Newsgroups comp.lang.python
Message-ID <mailman.2472.1384271596.18130.python-list@python.org> (permalink)
Lines 14
NNTP-Posting-Host 2001:888:2000:d::a6
X-Trace 1384271596 news.xs4all.nl 15981 [2001:888:2000:d::a6]:36823
X-Complaints-To abuse@xs4all.nl
Xref csiph.com comp.lang.python:59210

Show key headers only | View raw

On 2013-11-12 17:24, Ferrous Cranus wrote:
> But what of the server was in California and i live in Greece?
> 
> How would datetime.now() work then?

Best practices say to move the value from local time to UTC as soon
as possible, then store/use the UTC time internally for all
operations.  Only when it's about to be presented to the user should
you convert it back to local time if you need to.

-tkc

Back to comp.lang.python | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

datetime question Νίκος Αλεξόπουλος <nikos.gr33k@gmail.com> - 2013-11-08 23:11 +0200
  Re: datetime question Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-11-08 21:29 +0000
    Re: datetime question Νίκος Αλεξόπουλος <nikos.gr33k@gmail.com> - 2013-11-09 00:01 +0200
      Re: datetime question Joel Goldstick <joel.goldstick@gmail.com> - 2013-11-08 17:06 -0500
        Re: datetime question rurpy@yahoo.com - 2013-11-11 14:49 -0800
          Re: datetime question Joel Goldstick <joel.goldstick@gmail.com> - 2013-11-11 18:18 -0500
      Re: datetime question Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-11-08 22:18 +0000
      Re: datetime question Grant Edwards <invalid@invalid.invalid> - 2013-11-08 22:29 +0000
        Re: datetime question Chris Angelico <rosuav@gmail.com> - 2013-11-09 09:39 +1100
          Re: datetime question Roy Smith <roy@panix.com> - 2013-11-09 10:30 -0500
        Re: datetime question Gene Heskett <gheskett@wdtv.com> - 2013-11-09 10:39 -0500
        Re: datetime question Chris Angelico <rosuav@gmail.com> - 2013-11-10 09:25 +1100
      Re: datetime question Denis McMahon <denismfmcmahon@gmail.com> - 2013-11-08 22:49 +0000
        Re: datetime question Νίκος Αλεξόπουλος <nikos.gr33k@gmail.com> - 2013-11-09 01:02 +0200
          Re: datetime question Robert Kern <robert.kern@gmail.com> - 2013-11-08 23:23 +0000
          Re: datetime question Chris Angelico <rosuav@gmail.com> - 2013-11-09 10:30 +1100
          Re: datetime question Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-11-09 00:12 +0000
          Re: datetime question Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-11-09 12:45 +0000
            Re: datetime question Νίκος Αλεξόπουλος <nikos.gr33k@gmail.com> - 2013-11-09 15:43 +0200
              Re: datetime question unknown <unknown@unknown.com> - 2013-11-10 12:52 +0000
          Re: datetime question Chris Angelico <rosuav@gmail.com> - 2013-11-09 23:52 +1100
  Re: datetime question Gene Heskett <gheskett@wdtv.com> - 2013-11-09 19:55 -0500
  Re: datetime question Chris Angelico <rosuav@gmail.com> - 2013-11-10 19:47 +1100
  Re: datetime question Gene Heskett <gheskett@wdtv.com> - 2013-11-10 04:13 -0500
  Re: datetime question Νίκος Αλεξόπουλος <nikos.gr33k@gmail.com> - 2013-11-11 11:57 +0200
    Re: datetime question Joel Goldstick <joel.goldstick@gmail.com> - 2013-11-11 08:41 -0500
      Re: datetime question Roy Smith <roy@panix.com> - 2013-11-11 09:14 -0500
        Re: datetime question Chris Angelico <rosuav@gmail.com> - 2013-11-12 01:25 +1100
        Re: datetime question Joel Goldstick <joel.goldstick@gmail.com> - 2013-11-11 09:36 -0500
        Re: datetime question Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2013-11-11 20:59 -0500
        Re: datetime question Chris Angelico <rosuav@gmail.com> - 2013-11-12 13:02 +1100
        Re: datetime question Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2013-11-11 21:02 -0500
        Re: datetime question Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2013-11-12 19:30 -0500
        Re: datetime question Chris Angelico <rosuav@gmail.com> - 2013-11-13 11:40 +1100
    Re: datetime question Denis McMahon <denismfmcmahon@gmail.com> - 2013-11-11 19:19 +0000
      Re: datetime question Ethan Furman <ethan@stoneleaf.us> - 2013-11-11 11:39 -0800
        Re: datetime question Grant Edwards <invalid@invalid.invalid> - 2013-11-11 20:45 +0000
        Re: datetime question mm0fmf <none@mailinator.com> - 2013-11-11 23:21 +0000
          Re: datetime question Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-11-11 23:48 +0000
            Re: datetime question Grant Edwards <invalid@invalid.invalid> - 2013-11-12 04:49 +0000
              Re: datetime question alex23 <wuwei23@gmail.com> - 2013-11-12 17:25 +1000
                Re: datetime question Chris Angelico <rosuav@gmail.com> - 2013-11-12 18:35 +1100
                Re: datetime question Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-11-12 09:20 +0000
              Re: datetime question Roy Smith <roy@panix.com> - 2013-11-12 09:18 -0500
  Re: datetime question Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-11-12 12:15 +0200
    Re: datetime question Andy Lawton <andy@andylawton.eu> - 2013-11-12 12:47 +0000
      Re: datetime question Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-11-12 15:32 +0200
        Re: datetime question Joel Goldstick <joel.goldstick@gmail.com> - 2013-11-12 09:03 -0500
          Re: datetime question Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-11-12 16:12 +0200
            Re: datetime question Chris Angelico <rosuav@gmail.com> - 2013-11-13 01:57 +1100
              Re: datetime question Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-11-12 17:24 +0200
                Re: datetime question Tim Chase <python.list@tim.thechases.com> - 2013-11-12 09:54 -0600
                Re: datetime question Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-11-12 17:57 +0200
                Re: datetime question Tim Chase <python.list@tim.thechases.com> - 2013-11-12 10:12 -0600
                Re: datetime question William Ray Wing <wrw@mac.com> - 2013-11-12 11:14 -0500
                Re: datetime question Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-11-12 16:30 +0000
                Re: datetime question MRAB <python@mrabarnett.plus.com> - 2013-11-12 19:09 +0000
                Re: datetime question Joel Goldstick <joel.goldstick@gmail.com> - 2013-11-12 14:14 -0500
                Re: datetime question Denis McMahon <denismfmcmahon@gmail.com> - 2013-11-12 19:24 +0000
                Re: datetime question Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2013-11-12 19:38 -0500
                Re: datetime question Chris Angelico <rosuav@gmail.com> - 2013-11-13 09:42 +1100
                Re: datetime question Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2013-11-12 19:37 -0500
                Re: datetime question MRAB <python@mrabarnett.plus.com> - 2013-11-13 01:08 +0000
                Re: datetime question Alister <alister.ware@ntlworld.com> - 2013-11-12 16:11 +0000
                Re: datetime question Roy Smith <roy@panix.com> - 2013-11-12 19:43 -0500
      Re: datetime question Denis McMahon <denismfmcmahon@gmail.com> - 2013-11-12 19:20 +0000

csiph-web