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Questions tagged [time]

Time is a dimension in which events can be ordered from the past through the present into the future, and also the measure of durations of events and the intervals between them.

Time is a dimension in which events can be ordered from the past through the present into the future, and also the measure of durations of events and the intervals between them.

It has been said that time is used by the universe to ensure that everything doesn't happen all at once.

It has also been said that: "Time is an illusion, lunchtime doubly so." Not everyone agrees on the nature of time, and time is not fully understood even today.

Because human time perception can be wildly inaccurate, and many system services rely on the close synchronization of clocks, we have specialized clocks do the measurement of time for us. On the Internet, data from these clocks is made available via .

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Time Synch Architecture in Windows Domain Environment

I just read the following article -- "In a domain, time synchronization takes place when Windows Time Service turns on during system startup and periodically while the system is running." (…
Param
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CentOS 5 clock running twice as fast

The system clock on a CentOS 5 install is running twice as fast as it should. The hardware clock is fine, and when I run a ntp sync, it resets to the correct time. But within 2 minutes, it is already 2 minutes too fast. The OS is not running…
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WS2008 NTP - Using time.windows.com,0x9 - Time always skewed forwards

I have a domain controller configured to use time.windows.com (with 0x09 flags set). I've noticed that frequently the systems' clock is fast - it varies from 10 minutes to even 45 minutes. I always have to keep resetting the system date/time back to…
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How to synchronize windows server date/time?

I administer multiple Windows servers. One issue I have is that the time gets out of sync, and this becomes noticeable over a week or so. For example, my app server system time could be different from my database server time. What can I do to…
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Better to use same or closer NTP servers when distributed?

I have a group of servers located in several data centers. They should all be synced so that they have the same time, and ideally, should also have the correct time. Is it better to sync them all with the same servers, irrespective of geography, or…
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VMware: How to keep time in guest after suspend

I have Gentoo installed as guest OS. I have hardware clock synced with host system, but the clock of OS tend to be wrong after suspend. The only solution I find out is run hwclock -s frequently via cron. Any better method?
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Time Synchronization for Domain Controllers Virtualized Via Hyper-V

I would like to know if someone can recommend a better way to configure domain time synchronization for a group of Windows Server 2008 R2 servers than what I currently have configured. I have three domain controllers that are all Hyper-V guests. For…
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Getting Windows Vista to use our domain server's time

I am in charge of a small domain of 20 or so computers. I recently found how to get the windows XP machines to get their time from our domain controller using this batch file: call w32tm /config /syncfromflags:domhier /update call net stop…
Tilendor
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Store TIME in SQL

What is the correct way to store the TIME of day in SQL? Have a field that cares only when an action took place. Example values will be 2:30 PM or 14:30, it doesn't matter to me which. This value will NEVER (ha, ha) be added, subtracted,…
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Testing application timing

We've developed an in-house application, with several related crons that execute at some time during the day. These crons are designed in such a way that they make sure that they ignore, for example, being executed before 7:00 am, or only execute…
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Amazon EC2 instances changes server time/date on reboots and other time weirdness

I have a windows instance up in EC2. I manually set the timezone to Pacific. 1) For some reason using window's built in time sync doesn't work in the instance...but whatever. I turn off automatic time syncing... but 2) On reboot the time on the…
puffpio
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MySQL CURTIME() is always 00:00:00

I have a MySQL server installed on Solaris 10u8. Until recently, everything was working fine. Then all of a sudden, the current time according to MySQL is always 00:00:00. CURDATE() seems to work fine except that the time it gives is still 00:00:00.…
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Accurate DateTime synchronization for Workstations?

How do I synchronize and ensure that the workstations have accurate DateTime synchronized when needed? We have to change workstation date-time for testing some apps. How do I ensure back original date-time with accuracy? I've heard there are some…
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NTP failing to update

I am attempting to use ntp on the server. Checking ps the ntpd process seems to be running: ntpd -u ntp:ntp -p /var/run/ntpd.pid -g However the time is not being corrected, any ideas? The drift is about 2 minutes per month, which is not a problem…
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Local GPS clock is marked as falseticker by ntpd — why?

I have a Linux NTP server with a ublox M8Q GPS module connected via GPIO (UART @ 9600bps and PPS). What I observe is that the local GPS source — SHM(0) — gets marked as falseticker and I'd like to understand why. clock@clock:~ $ ntpq -p remote …
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