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Posted to issues@ponymail.apache.org by sebbASF <gi...@git.apache.org> on 2016/12/11 13:14:06 UTC
[GitHub] incubator-ponymail issue #285: Bug: ponymail.js/formatDate may show the wron...
GitHub user sebbASF opened an issue:
https://github.com/apache/incubator-ponymail/issues/285
Bug: ponymail.js/formatDate may show the wrong timezone
The function formatDate attempts to show the local timezone corresponding to a date.
However it uses the current timezone, rather than the tz that was in effect for the date.
This won't be noticed for recent messages (except around TZ changes) but will occur for historic mails.
For example:
https://lists.apache.org/api/source.lua/9fd77b14753bbde462bea06fc2e1c03d5cf5a89cea2fabd6751d805a@%3Cdev.ponymail.apache.org%3E
The source has:
Date: Wed, 13 Jul 2016 13:46:39 +0200
The mbox entry
https://lists.apache.org/api/email.lua?id=9fd77b14753bbde462bea06fc2e1c03d5cf5a89cea2fabd6751d805a@%3Cdev.ponymail.apache.org%3E
has the following:
"date":"2016\/07\/13 11:46:39",
"epoch":1468410399
The epoch translates as 2016-07-13 11:46:39 UTC
However it currently (Dec 2016) displays on my system as:
2016-07-13 12:46 (-0000)
That's because it is currently on GMT whereas in July it would have been on BST (GMT + 0100)
The display should be:
2016-07-13 12:46 (+0100)
Or should it?
The actual time of the email was 13:46:39 +0200.
Does it make sense to re-interpret the email date in terms of a different TZ?
I'm not sure it does, in which case it would make more sense to use UTC:
2016-07-13 11:46 (UTC)
This would also be simpler to do.
Note: the ES mbox data currently does not include the original Date: as per the source, only the converted versions, so it's not possible to show the date in its original TZ.
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[GitHub] incubator-ponymail issue #285: Bug: ponymail.js/formatDate may show the wron...
Posted by asfgit <gi...@git.apache.org>.
Github user asfgit closed the issue at:
https://github.com/apache/incubator-ponymail/issues/285
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[GitHub] incubator-ponymail issue #285: Bug: ponymail.js/formatDate may show the wron...
Posted by sebbASF <gi...@git.apache.org>.
Github user sebbASF commented on the issue:
https://github.com/apache/incubator-ponymail/issues/285
The formatDate function is also used for various other purposes so it might be best to start with just fixing the local TZ.
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