Time is an element of the overall measurement system of for space. Time can refer to the time it is now, according to timing devices, the interval between two events, the duration of an event, or the sequence of events.

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Why is my Windows “System.currentTimeMillis()” system time exactly 8 seconds behind all the other computers?

I am writing a real time networking program running on multiple computers and I decided to synchronize events using the OS system time. The problem is that one of my computers is 8000 ms behind the ...
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0answers
56 views

Unable to open two (so far) SSL sites, all others work normally

I have tried IE, Chrome, and FF. I have turned off WiFi on my mobile device and the connection goes through normally. From my computers connected to my internet, I'm unable to load the pages, it just ...
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1answer
324 views

How to change the date in Windows 7 by using command prompt?

When I try to change the date in Windows 7 using the Command Prompt, I get the error: "The required privilege is not held by the client" How can I solve this problem?
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3answers
9k views

how to run cron jobs on GMT not local time?

How can I make cron jobs run on GMT, not local time? this is my crontab file: #m h d m wday command TZ=GMT 5 0,6,12,18 * * * ~/Documents/bash/transfer.sh my jobs seem ...
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1answer
41 views

System time moving slower by high CPU usage

My computer used to have no problems staying at high CPU usage, until a few days ago, which I noticed that this would make the system time move slower. There is around 15 to 30 minute lag for each ...
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1answer
42 views

Relativistic NTP

I was wondering whether any provision is made in the NTP standard to synchronize time between machines travelling near the speed of light relative to each other. Does NTP even work in these conditions?...
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1answer
85 views

Centos set time without ntp

I've a centos 6.5 server. The time is 20mins ahead so I want to fix it. I can't use ntp as I've read it requires an input port to be opened in the firewall but I don't have control on the external ...
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3answers
6k views

How is time measured in computer systems?

Something I have been puzzled about is this: how exactly does a computer regulate and tell time? For example: if I were to write a program that did this: Do 2+2 then wait 5 seconds How does the ...
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4answers
612 views

How to limit CPU consumtion of a process group with standard GNU/Linux tools?

I have a bunch of processes of the same name - they take up 100% of my CPU time, I want this to be no more than 50%. How can I do this without installing any extra software?
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1answer
1k views

Add milliseconds to existing Unix time

I have a script that returns Unix time in seconds, for example, 1374521719. I'd like to take in this time and place milliseconds to that. Other posts show a simple example of this with the current ...
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1answer
667 views

Time Machine backup to FTP server

How can I get a Mac computer using Time Machine to back up to a server using FTP? I have not tried anything yet and everything I've search for is about 6 years old.
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3answers
3k views

Bash: number of seconds till midnight of current day

How do I find the number of seconds till midnight of current day?
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9answers
58k views

Show Windows 7 logon time?

On Windows 7 Ultimate, is there a way to see when I logged on into the current session? I want to find out how long I have been at the PC / when I started it up.
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2answers
837 views

Windows computer keeps updating to UTC time

I have a new Dell computer running Windows 7 x64 (and no other OS). I live in Mountain Time, as my computer is aware (it says Mountain Time in the Date and Time window, from right-clicking on the ...
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votes
1answer
17k views

Using virtual box is it possible to set your virtual machine time to be different from host time

Using virtual box is it possible to set your virtual machine time to be different from host time. Say 1 year into the past. If I wanted to run the windows XP images provided by Microsoft from here. ...
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1answer
2k views

Significance behind January 6 1980 server time [closed]

Today my iPhone reset its date to Jan 6, 1980. I Googled it and apparently it’s a very common problem. I found a ton of results for January 1980, and most if not all were in January 6th of 1980. The ...
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0answers
104 views

CPU Time and Clocks

I've been given this question: Assume that on some computer the overhead of trapping to the kernel for clock ticks is about 2 microsecond, with the handler requiring another 9 microseconds. Clock ...
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1answer
6k views

The system time has changed kernel-general, off by one day

Random events showing in event log. The system time changes to tomorrow, and then corrects about 10-15 seconds later. Causing all sorts of temproary havoc w/ VPN, Outlook, etc. Any thoughts?
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2answers
66 views

How to set the time for the screen to lock asking for the password?

I can set the inactivity time for the screen saver to start, but I cannot set the time for the screen to lock asking for the password. Is it possible to do it? Is it possible to synchronize the ...
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1answer
90 views

Disable system time synchronisation

My system clock (which I can modify in UEFI) is working OK, but three hours behind me. It's always UTC+00, and changing it is useless because it often resets when my notebook runs out of battery. I ...
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1answer
30 views

Is it possile to set time before windows disable device for energy saving purposes?

I have a tablet-pc with Windows 8 and dock keyboard. Windows disables dock keyboard after ~10 seconds of downtime by default. I want to increase that time to 60 seconds at least. Is it possible ...
9
votes
1answer
13k views

How to synchronize clocks for computers that are not online?

I have some computers that run Windows 7 embedded and are connected to each other by a switch, but are not connected to a larger network or the internet. After a few weeks, the clocks drift and it is ...
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1answer
47 views

Time format of Pomodoro in LibreOffice Calc

I'm using LibreOffice Calc in Windows 7 and I'd like to write a formula that, given a decimal number, converts it to hours and minutes. For instance I have this: cell E3 is =($B$3*25/60) i.e. it ...
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1answer
312 views

How to schedule a task to execute 9000 seconds from now on?

I have a batch script that executes a few Python scripts and then needs to schedule the last Python script to be executed 9000 seconds later. Here's what I have so far: (I only know how to manually ...
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votes
5answers
7k views

Are CPU clock ticks strictly periodic?

Is the frequency of a CPU a mean value of about how many clock ticks there are in a second or does it have a more strong, physical stability? In my opinion, it must be not stable nor unstable. So ...
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2answers
105 views

How to find files created between hh:mm and HH:MM for any day?

For instance, find all files created between 20:00 and 23:30 for any day (not a specific day)? been going through man find and didn't see anything that would do this. Would I have to write my own ...
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0answers
136 views

How to get steady time on an Atmel xPlained SAMA5D3

I'm running Debian Jessie from an sdcard on an Atmel xPlained SAMA5D3 SBC. I have a python program which samples another device via serial line. Said device has a pretty reliable 20s countdown clock. ...
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1answer
42 views

What is the output of time command in Linux

0m0.043s This is what is obtained out of time command in Linux. Is that 0.043 milliseconds or 0.043 seconds?
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1answer
476 views

What are CPU time, user time, system time respectively?

I find someone asked a similar question, but my problem is NOT user-cpu-time, but user time vs system time vs cpu time. For example, the following info is what I got after a simulation on Linux: User ...
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1answer
373 views

How is CPU time measured on Windows?

I am currently creating a program which identifies processes which are hung/out-of-control, and using an entire CPU core. The program then terminates them, so the CPU usage can be kept under control. ...
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votes
1answer
2k views

In Fedora, Perl program cannot find Time::Piece library

I have a Perl program named /usr/bin/octbatch running as a script on Fedora 17 Linux. When I run this command: /usr/bin/octbatch I get the error: Can't locate Time/Piece.pm in @INC (@INC ...
34
votes
2answers
69k views

Updating Time : ntpdate[3108]: the NTP socket is in use, exiting

The time on my system is incorrect for some reason. i need to run an update but i can't seem to be able to this is the errror. ntpdate pool.ntp.org 31 Aug 12:31:59 ntpdate[3108]: the NTP socket is in ...
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vote
1answer
691 views

NTP Stratum Inaccuracy [closed]

We're gearing up to have an argument regarding NTP stratum as an indicator of time accuracy. The statement that started the whole thing was: Stratum 5 can be four minutes off. My understanding ...
3
votes
2answers
2k views

Os X - Why do I need to turn on WiFi to determine closest location

Why do I need to turn on WiFi to determine my closest location? For some reason, my mac won't get the latest time from the NTP server if I am plugged into Ethernet. What could possibly be different ...
3
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4answers
20k views

Mac OS X Date & Time Synchronization

When I have set Mac OS X to set it's date and time automatically, how often is this really done? And is there a way I can force an update?
2
votes
2answers
1k views

Script or command to sync time with TimeServer?

I am a programmer working on embedded linux, On my device, I need to set time everytime when I want to use it to check my program. Is there any command or script which sets time from some Internet ...
0
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1answer
55 views

Linux ntpd service does not appear to be working

I’m running this flavor of Linux on identical machines … [dalvarado@machine2 ~]$ uname -a Linux mydomain.org 3.10.32-35.201.amzn1.x86_64 #1 SMP Thu Aug 14 22:00:02 UTC 2014 x86_64 x86_64 x86_64 GNU/...
2
votes
2answers
570 views

Is there a way to find out how long a tab has been open, or when a tab opened?

I'm trying to find a way to show how long a particular tab has been open in Firefox. Alternatively, finding out when a tab was opened would work as I could calculate the open time myself. I'm willing ...
0
votes
1answer
483 views

GPS without PPS vs. GPS with PPS vs. NTP

With which time synchronization method I can achieve more accuracy to the absolute UTC time? I use GPS with PPS for now but I want to compare these sources. Assume the following items: Internet is ...
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votes
1answer
1k views

NTPD not updating time date on CENTOS

I have set up ntpd on CENTOS, I am trying to get it to pull time from a Windows domain contoller if i run the command: ntpdate dc3.mydomaain.local this works fine and updates the host with the ...
2
votes
2answers
122 views

Can NTP be set to load a time from file in case it can't load from network?

I've looked at the documentation but can't find anything like this. The situation is that I have a BeagleBone Black which does not have a real clock. By default, the computer boots up thinking it's ...
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0answers
343 views

Windows time runs slow

I am using VPS from a web hosting provider Godaddy(windows server 2008 r2). In my VPS I found that time was running slow.The windows time clock has noticeably "losing time" as much as 8 to 10 sec ...
2
votes
1answer
4k views

Timezone setting in Linux

I'm setting timezone GMT+6 on my Linux machine by copying the zoneinfo file to /etc/localtime, but the date command is showing the time UTCtime-6. What is the reason for this behaviour? I'm assuming ...
3
votes
0answers
239 views

Sync PC Time off Android Device

Is there any way to set the time of a Windows PC by querying an (unrooted) Android phone on the same LAN? IE, net time \\computer_name /set /y but with an Android device as the time source. As in ...
0
votes
0answers
3k views

An error occurred while Windows was synchronizing with

Trying to get my time synced properly and I run into this error every single ntp server I use. I've got my firewall disabled, every single port open in my router (UDP and TCP), and I've used several ...
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votes
1answer
547 views

Is it possible to slow down system clock? [duplicate]

I'm playing a game that is using JavaScript to get system time, and I need the best time in the game I can get, I tried Cheat Engine but, as I said game uses JavaScript, so it is of no help to me. I ...
0
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1answer
573 views

Windows NTP Client Not Syncing with my ESXi NTP Server

I have an ESXi 5.1 server configured as a NTP server and a local Windows Server 2008 R2 PC that aren't syncing. I've read that whenever an ESXi server is run as a client, it also acts as a server, so ...
4
votes
1answer
594 views

Different times between OS's

I dual boot Ubuntu and Windows 8. Ubuntu is 1 hour ahead, so I set it to 1 hour back and then when I next log into Windows 8, the clock is 1 hour behind. If I then set it forward in Windows 8, it is 1 ...
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50 views

Monitor disk I/O used by specific command

I know that there are various tools for monitoring disk I/O, but I am wondering specifically if there is something equivalent to time for disk usage? For example, I am benchmarking a specific command ...
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1answer
32 views

I want to start VM for specific time

I am designing a system in which lot of VMs are there which run on KVM. My physical resources are limited, that is why I want to allow some of the VMs to run for some specific time(say Every Wednesday ...