Bug 362452

Summary:	KScreenLocker shows time in UTC for Kazakhstan time zones
Product:	[Unmaintained] kscreenlocker	Reporter:	Zhanibek Adilbekov <zhanibek.adilbekov>
Component:	greeter	Assignee:	Plasma Bugs List <plasma-bugs-null>
Status:	RESOLVED UPSTREAM
Severity:	normal	CC:	bshah, mgraesslin, sj2000, stupor_scurvy343
Priority:	NOR
Version First Reported In:	5.5.3
Target Milestone:	---
Platform:	Other
OS:	Linux
URL:	https://bugreports.qt.io/browse/QTBUG-53071
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:

Description Zhanibek Adilbekov 2016-04-29 00:02:27 UTC

After upgrading tzdata to 2016d version some of applications unable to determine right timezone for all zones which belong to Kazakhstan. I personally use Asia/Almaty (which is +06:00 and no DST) on my machine (Arch Linux with Plasma 5.6), and it leads some programs to produce unexpected results. E.g.: Digital Clock applet shows -12 hours from current time and Plasma Lockscreen shows time in UTC. I tried downgrade to 2016c and it works just fine.

Reproducible: Always

Steps to Reproduce:
1. You should have KDE Plasma 5.6.3 DE installed (not tested on other software)
2. Install tzdata-2016d-1-any package 3. Set your time zone to Asia/Almaty
3.1 Go to Lockscreen. You'll see that time shown in UTC
3.2 Add "Digital Clock" widget to your desktop. In settings of widget set time zone to Local or Asia/Almaty. 

Actual Results:  
KScreenLocker shows time in UTC

Expected Results:  
It should show time in +06 UTC offset

tzdata version 2016d

Comment 1 Martin Flöser 2016-04-29 06:51:34 UTC

How did you do step 3? The lockscreen should follow the global time zone data. Though it might be required to restart the session.

Comment 2 Samat 2016-07-01 23:30:34 UTC

I can confirm this issues with Kazakhstan cities time zones.
After updating to timezone-data-2016d I have strangeness with time settings in plasma 5 for any Kazakhstan cities.

My timezone is Asia/Oral

The system show correct time:
$date
Sat Jul  2 00:26:31 +05 2016

Plasma clock widget show 2:26pm. But when I click to "Adjust Date and Time" in "Date and Time" tab displayed correct time, local timezone is correct Asia/Oral. When I lock screen I see 7:26pm. 
So at the moment I have 3 different time:
 2:26pm -5 GMT in the plasma clock widget
 0:26am +5 GMT in the system (correct)
 7:26pm  GMT in the Breeze lock screen and sddm.

For testing I change timezone settings to Asia/Almaty and Asia/Aqtau and got same results - 3 different time.

According changes logs for timezone-data-2016d :
https://mm.icann.org/pipermail/tz-announce/2016-April/000038.html

"Many corrections to historical time in Kazakhstan from 1991
 through 2005.  (Thanks to Stepan Golosunov.)  Replace Kazakhstan's
 invented time zone abbreviations with numeric abbreviations."

So seems replacing zone abbreviation with numeric in LMT is affected to  the plasma.

Comment 3 stupor_scurvy343 2016-08-18 20:03:50 UTC

According to $URL, this was a bug in Qt.