Bug 27750 - Daylight savings time took effect at 2am GMT on March 8 rather than 2am PST on March 8
Summary: Daylight savings time took effect at 2am GMT on March 8 rather than 2am PST ...
Status: RESOLVED FIXED
Alias: None
Product: iOS
Classification: Xamarin
Component: BCL Class Libraries ()
Version: master
Hardware: PC Windows
: Normal normal
Target Milestone: Untriaged
Assignee: marcos.henrich
URL:
Depends on:
Blocks:
 
Reported: 2015-03-07 23:01 UTC by T.J. Purtell
Modified: 2015-05-29 06:49 UTC (History)
6 users (show)

Tags:
Is this bug a regression?: ---
Last known good build:


Attachments
Screen shot showing time mismatch that appeared after 2am GMT (177.82 KB, image/jpeg)
2015-03-07 23:01 UTC, T.J. Purtell
Details


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Status:
RESOLVED FIXED

Description T.J. Purtell 2015-03-07 23:01:15 UTC
Created attachment 10202 [details]
Screen shot showing time mismatch that appeared after 2am GMT

This appears to be a logic bug in Mono's handling of timezones and the switch time for daylight savings time.  I am assuming that everything will be correct after 2am tonight.
Comment 1 Rolf Bjarne Kvinge [MSFT] 2015-03-09 07:51:00 UTC
Marek, does this ring a bell?
Comment 2 marcos.henrich 2015-05-29 06:49:21 UTC
The bug seems to be fixed in stable channel.
Xamarin.iOS
Version: 8.10.0.303 (Business Edition)
Hash: 3c4e832
Branch: master
Build date: 2015-05-20 21:47:57-0400

I tested by setting device time zone to New York and device time to March 8th 2015 12:00 AM,
and DateTime.Now shows 12:00 AM.
I also tried with March 7th 2015 7:55 PM