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Questions tagged [daylight-saving]

18 questions
13
votes
2 answers

Disable Daylight Saving Time (DST) Changes in Linux

A few weeks ago, it is announced (by The Energy and Natural Resources Ministry of Turkey) that DST will be permanent and GMT+3 will be used forever in the country. Currently, timezone of our Linux servers is set to Europe/Istanbul. But no tzdata…
vaha
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9
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7 answers

A cron replacement that handles multiple time zones

I am looking for a cron replacement (or a method in cron if at all possible) that can allow for the scheduling of jobs in any number of time zones (specifically more than one per user/file). What I would like is the ability to specify a time zone…
mgray
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5
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1 answer

Windows Server Cluster & Strange Day Light Savings Time Behaviour

Over the weekend (Sunday March 27th) Daylight Savings Time kicked in here in Ireland and so all the servers (all win2k3 server) in our Production Environment updated their Times +1 Hour. However something which I cannot explain caused 2 of our…
Eoin Campbell
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5
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2 answers

Linux get UTC offset from current (or other) timezones on given date and time

In Chile the case is very particular as the days of daylight saving changes are different a year from another... Is there a function to get for given day at given UTC time the UTC offset? I saw on a Suse documentation that something like zdump -v…
Philippe Gachoud
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4
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2 answers

Docker container time 2 hours behind when TZ=CEST

I try to run a Docker container with the same timezone as my Docker host. The host timezone is CEST. When I run : $ date Thu Apr 16 11:04:11 CEST 2020 $ docker run -e TZ=CEST debian:buster date Thu Apr 16 09:04:14 CEST 2020 The container is 2 hours…
Eric Citaire
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3
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0 answers

Testing Daylight Savings Time Switch

We have a case where we need to test some scripting and application code related to daylight savings time. We wanted to simulate the daylight savings time switch by disabling the NTP service and changing the system time into the future. Obviously…
Jeff Coe
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3
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1 answer

Setting DST timespan on Dell N-series switches that span over newyears

I have a stack of brand new Dell N2048 switches. I am doing the initial setup, and am wanting to set up Daylight Savings Time for Australia. Our DST runs from October to April every year, but the switch will not let me configure this date/time…
Mark Henderson
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3
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2 answers

Cron job executed multiple times daylight saving time

We run a CentOS release 6.2 (Final) 2.6.32-220.13.1.el6.x86_64 with a stock cronie.x86_64 1.4.4-7.el6. On Mar 31 we moved to summer time: 03:00 become 04:00. In crontab we have: 0 4 * * * /usr/bin/php /some_script.php In log we discovered that…
FelixEnescu
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3
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2 answers

Override Daylight Savings Time configuration

All the computers on my network (2003 Server AD) are configured to get their Time updates from the PDC-Emulator. The PDC gets updates from time.windows.com. The system is in Israel where we have no standard rules for the change between…
just.another.programmer
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0 answers

How to apply tzdata-java update after installing package

Updated the following packages via YUM on the system (CentOS 5 64bit) tzdata-2012j-2.el5 tzdata-java-2012j-2.el5 The system package was applied correctly but the Java does not appear to be working - any Java application is logging data as an hour…
Lukasz
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1 answer

IIS FTP daylight savings timestamps are off

The IIS FTP server is reporting file timestamps without applying daylight savings time offset, ie. in Windows explorer, a file shows a modification timestamp of 2012-01-01T01:27 and the FTP server shows it as 2012-01-01T02:27. This is screwing up…
naasking
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3 answers

IIS Time Zone and daylight saving changes

How can I determine Time Zone setting for IIS. It seems that ever since the daylight savings were applied (+1 hour) the time returned by IIS is 1 hour behind as the +1 was ignored. The time on the server itself is correct, but when the application…
kristof
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2 answers

cron job that fired 8 times rather than once. Daylight saving issue?

We're running a Redhat server (2.6.33.3-85.fc13.x86_64) and experienced some odd behaviour with our cron setup. We're running an out-of-the-box installation of cron. We have a task that runs daily at 2am and has done so successfully for many…
ChrisW
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1 answer

Are IIS logs affected by Daylight savings time?

It seems as if IIS logs are timestamped with the current UTC time. Will the timestamps in IIS logs be offset an hour during daylight savings time?
theycallmemorty
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1 answer

How to make Scheduled Job Run Twice on daylight saving time

I have windows 2008 server R2. I am using Task scheduler to run a job on a daylight saving time when the clock moves backward. The task runs a PHP script that updates the a database field (If field is equal to 1 then change it to 0 if the field is…
Mohamed Mahyoub
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