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Questions tagged [timezone]

A time zone is a region on Earth that has a uniform standard time for legal, commercial, and social purposes. It is convenient for areas in close commercial or other communication to keep the same time, so time zones tend to follow the boundaries of countries and their subdivisions.

Most of the 40 time zones on land are offset from Coordinated Universal Time (UTC) by a whole number of hours (UTC−12 to UTC+14), but a few are offset by 30 or 45 minutes. Some higher latitude countries use daylight saving time for part of the year, typically by changing clocks by an hour. Many land time zones are skewed toward the west of the corresponding nautical time zones. This also creates a permanent daylight saving time effect.

More information in the timezone tag wiki on StackOverflow.

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Should each machine in a high availability cluster have same time zone?

I'm curious if people with experience think it makes sense to give all machines in a replication cluster the same time zone and time regardless of physical location to help ensure that dates are stored, and tasks are run all at the same time…
Bruce Kirkpatrick
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How often does a Linux check it's /etc/localtime file

I am trying to troubleshoot a problem. Some very helpful information would lead me to a solution is: Often does Linux check the /etc/localtime file? Additionally if there is a configuration file to increase the frequency (for testing) that would be…
DarkSheep
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Changing timezone of server using cPanel / WHM

I have changed time zone of my server to Asia/Kolkata in WHM by going to the following path: Home > Server Configuration > Server Time But still my website is showing timezone as America/Denver when I check it using PHP. I have pasted the following…
sumit
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PHP hits 100% CPU and eats RAM at the same time Monday to Friday

We run a learning platform for primary schools here in the UK and it's all been running extremely well. However at around 4PM Monday to Friday we see the same issue arise -- 1-2 PHP threads will spike to 100% CPU and gradually start eating up RAM…
Daniel Samuels
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RHEL: Timezone change affected processes

I'm having troubles by a recent time zone change (the time went an hour back). Even though using the date command returns the correct time and date, i'm having trouble with programs that use log4j (it has the old time) and crontabs are not starting…
nmuntz
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Windows NTP client changes timezone to Pacific automatically

I have a Windows 2008 server machine and I am trying to use this public IP 128.252.19.1 to synchronize the time, however, I would like my system to have Eastern timezone. When I enter the configuration using the steps give on this support page:…
Zain Ally
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dhcpd , How to hand out POSIX Timezone

We have a Cisco switch which logs this each time it gets its IP via DHCP: WARN DHCPCLIENT[DHCP Client Task]: dhcp_support.c(1018) 1451 %% Posix Timezone Information is not obtained from the server. How can we configure dhcpd (standard dhcpd…
nos
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preserving local accounts during AD installation

We have a Windows 2008 R2 server with about 50 local accounts (no AD). The server functions as a terminal server for users around the world. We have been having issues with the time zones for users that are outside the country. Someone told me…
charnley
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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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changing timezone affects cron time

I have set up a cron to run at every 26th minute. $ crontab -l 26 * * * * date > /home/time.txt 2> /home/time_err.txt The current time shown by date command. $ date Thu Aug 25 23:26:00 CDT 2011 The cron runs as expected but when I add the hour…
shantanuo
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time / timezone of Linux VM on Hyper-V

HI there I installed a CentOS VM on Hyper-V server and am quite confused on the time settings. my Hyper-V is set to (UTC-05:00) Eastern Time (US&Canada), and when installed the CentOS VM, on TimeZone selection, I chose System clock uses UTC and…
jasy
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change mysql timezone to UK

I want to change mysql default timezone to UK timezone, I have no access to mysql config file. Is there any way that I can do this on query level. So once the query executed then it will save date based on Uk timezone, Thanks
Avinash
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CentOS 5 VPS - setting the date and time

I've just tried to set the timezone on my VPS to Europe/London: ln -sf /usr/share/zoneinfo/Europe/London /etc/localtime This was fine. However, the time is now wildly out: $ date Sat Feb 5 12:33:21 GMT 2011 When it is in fact 22:31. With it being…
Dan
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How to get the timezone of a system image?

I'd like to get the timezone of a system. Now some caveats... Im using Linux, and the target systems will be UNIX. I'll be using only system images, ie. not the live system, but the partitions will be mounted. I'll eventually be scripting it. I…
Willi Ballenthin
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date.timezone PHP error

I'm getting the infamous PHP timezone error: PHP Warning: PHP Startup: It is not safe to rely on the system's timezone settings. You are required to use the date.timezone setting or the date_default_timezone_set() function. In case you…
Sejanus
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