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[eGroupWare-tracker] Bugs #1508: Calendar events wrong after daylight saving time change such as GMT to BST
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From: <tr...@eg...> - 2008-08-05 15:07:28
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<html> <body> <table cellspacing="2" cellpadding="0" border="0" width="100%"> <tr style="background-color: #D3DCE3;;"><td style="font-weight:bold;font-size:medium;">Ticket modified by Mike Rose at 2008/08/05 16:39</td></tr> <tr style="background-color: #F1F1F1;"><td style="font-size:medium;">You can respond by visiting: <a href="http://www.egroupware.org/bugs&tr_id=1508" target="_blank">http://www.egroupware.org/bugs&tr_id=1508</a></td></tr> <tr style="background-color: #FFFFF1;"><td style="font-size:small;">Tracking System: Bugs</td></tr> <tr style="background-color: #FFFFF1;"><td style="font-size:small;">Category: Calendar</td></tr> <tr style="background-color: #FFFFF1;"><td style="font-size:small;">Version: Version 1.4.004</td></tr> <tr style="background-color: #FFFFF1;"><td style="font-size:small;color:red">Status: Open</td></tr> <tr style="background-color: #FFFFF1;"><td style="font-size:small;">Resolution: Works for me</td></tr> <tr style="background-color: #FFFFF1;"><td style="font-size:small;">Completed: 0%</td></tr> <tr style="background-color: #FFFFF1;"><td style="font-size:small;">Priority: 5 - medium</td></tr> <tr style="background-color: #FFFFF1;"><td style="font-size:small;">Created By: Mike Rose</td></tr> <tr style="background-color: #FFFFF1;"><td style="font-size:small;">Assigned to: Ralf Becker</td></tr> <tr style="background-color: #F1F1F1;"><td style="font-weight:bold;font-size:medium;">Summary: #1508 - Calendar events wrong after daylight saving time change such as GMT to BST</td></tr> <tr style="background-color: #FFFFF1;"><td style="font-size:medium;">eGroupware version 1.4.003<br /> mysql Ver 14.12 Distrib 5.0.32, for pc-linux-gnu (i486) using readline 5.2<br /> PHP 5.2.0-8+etch10 (cli) (built: Jan 18 2008 18:52:58)<br /> Debian Linux v4<br /> <br /> We recently had a time change from GMT to British Summer Time.<br /> eGroupWare calendar events created before the time change for dates after the time change moved forwards 1 hour.<br /> <br /> For example:<br /> an event of 10:00 30/03/2008<br /> was displaying fine then when the Linux server time changes from GMT to BST the event is then displayed at:<br /> an event of 11:00 30/03/2008<br /> <br /> I have re-produced this by turning off NTP and using:<br /> date -s 'Mar 29 10:00:00 GMT 2008'<br /> date -s 'Mar 30 10:00:00 2008'<br /> to move from before the time change to after.<br /> <br /> Recurring events, that cross the time change, actually correct themselves if one opens one of these recurring events and clicks on "save".<br /> <br /> </td></tr> <tr style="background-color: #F1F1F1;"><td style="font-size:medium;color:red">Comment by Mike Rose at 2008/08/05 16:39:</td></tr> <tr style="background-color: #FFFFF1;"><td style="font-size:medium;">Aha!<br /> Thank you.<br /> # in php.ini<br /> date.timezone = Europe/London<br /> <br /> fixes the problem.<br /> <br /> I did not want to use UTC for the server as I like logs to be in localtime.<br /> <br /> Many thanks.<br /> <br /> I guess this might be a documentation suggestion as I have not found anything in all of the doco about this.<br /> <br /> P.S. we like a lot of things about eGroupWare and would be interested in sponsoring some change requests:<br /> * 531 Calendar Add next / previous week and next / previous month button 2007/03/26 05:25 5 Open Ralf Becker William Cheng 2<br /> * 1205 Calendar ACLs for participants list for calendar events. can invite any user to an event 2007/09/11 10:30 5 Open Ralf Becker Mike Rose 0<br /> * 1206 Calendar Planner by User for day/week/month, please 2007/09/11 10:32 5 Open Ralf Becker Mike Rose 0 <br /> <br /> I think I mailed about this a while ago, but did not see a response...<br /> <br /> </td></tr> <tr style="background-color: #F1F1F1;"><td style="font-size:medium;">Comment by Ralf Becker at 2008/07/30 19:28:</td></tr> <tr style="background-color: #FFFFF1;"><td style="font-size:medium;">eGW requires the system to run on UTC or to alternativly set your timezone in the php.ini (eg. date.timeozone = Europe/Berlin).<br /> <br /> Ralf</td></tr> <tr style="background-color: #F1F1F1;"><td style="font-size:medium;">Comment by Mike Rose at 2008/04/10 17:38:</td></tr> <tr style="background-color: #FFFFF1;"><td style="font-size:medium;">The change from BST to GMT produces a similar effect: events before the time-change move backwards one hour - this is not so noticeable to users as this is a calendar app.</td></tr> </table> </body> </html> |