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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3answers
23 views

Log time spent between switch a Windows on and off

I want to log the time I spend between switching my PC on and when I switch it off; like have a text file updated with records of each time I switch my PC in the morning and switch it off at the ...
2
votes
1answer
354 views

Windows 7 thinks that the UTC+1 Amsterdam time zone is really an UTC+10 time zone

I've been having problems with the Windows clock for a while. I tried a variety of solutions, but nothing seemed to really work, so finally I just decided to disable the automated internet time ...
1
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0answers
42 views

Windows 10 image from Clonezilla comes up in GMT-1

Mixed Win8.1 / Win10 shop, Linux infrastructure. Jenkins runs machines; OS, apps, drivers, Clonezilla supplies OS images. Images installed by PXE boot/Jenkins coercing it. With release of Win10, ...
2
votes
2answers
128 views

How to change Windows 10 Lock screen time format?

My Windows 10's time format is 24 hour clock, this includes the taskbar but the lock screen is still 12 hour clock format. How do I change the format of my time in lockscreen?
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0answers
41 views

Windows 10 Family Safety: Time limits and screen locking

I recently set up my son's computer with family safety, and I have him limited to 3 hours of total screen time per weekday. I have told him that when he gets up to go outside, eat, or whatever to lock ...
7
votes
5answers
52k views

How to get time difference as minutes in Excel?

I have time values in two cells in an Excel sheet and I need the difference of the times in minutes. The cells in the Excel are like below: A B C 1 6:38 8:23 1:45:00 A is ...
0
votes
1answer
24 views

Formatting time s:mm.00 in Excel (Office 2010) and graphing

My son is a competitive swimmer. I would like to make a stacked bar chart using the various time standards for each stroke. The times are listed in m:ss.00 format. I have several problems I need help ...
5
votes
1answer
61 views

How can I have a secondary clock show in 24-hour time but the primary one in 12-hour time?

Is it possible to have only one of my secondary clocks display in 24-hour time while the other two clocks display in 12-hour time? If so, how? I would find this useful for dealing with UTC time. ...
0
votes
1answer
35 views

How to set time synchronization server from command line?

I need to set "the name of the synchronization server" and check "enable synchronization" option from the command line (possibly using W32tm.exe). I tried different options, manage to only manually ...
10
votes
3answers
6k views

Can the Windows clock be configured to display a 24-hour-based time? [duplicate]

Is it possible to make the windows clock display its time in a 24-hour format instead of the default 12-hour format? There doesn't appear to be any way to do this via the UI, but I'm wondering if ...
4
votes
1answer
5k views

Why does NTP require bi-directional firewall access to UDP port 123?

From What are the iptables rules to permit ntp?: iptables -A INPUT -p udp --dport 123 -j ACCEPT iptables -A OUTPUT -p udp --sport 123 -j ACCEPT Also, from the NTP website: ... ntpd requires ...
1
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0answers
59 views

How can I set 24 hour time in KDE5

It seems the new way to set your preferred date format is by country and language. I've never thought about this method but I guess it encourages people to be more multicultural, researching how ...
37
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5answers
4k views

Leap Seconds in Windows

A leap second was recently added on June 30, 2015 23:59:60 UTC. How are leap seconds implemented in Windows (specifically Windows 7)?
10
votes
6answers
14k views

How to get video duration in seconds?

How can I get video duration in seconds? What I've tried: ffmpeg -i file.flv 2>&1 | grep "Duration" Duration: 00:39:43.08, start: 0.040000, bitrate: 386 kb/s mediainfo file.flv | grep ...
3
votes
1answer
58 views

Get wall-clock time of a windows process with command line

Is it possible to get an uptime from a windows process which is not based on the clock settings of the system? A linux-based solution is something like: ps -eo comm,etime With some researches, I ...
0
votes
1answer
12 views

date/time setting does not work after unplugging power adapter or sudden power cut in linux

For some reason, I want to configure the date/time in my Linux (CentOS 6.5) to be different from the REAL date/time, but the setting won't work if I turn my computer(desktop not laptop if this ...
1
vote
1answer
721 views

How do I interpret w32tm output, especially d:?

I am trying to understand what all the different values mean in the following output. I understand the command below is comparing my local time ("current time is") with time.nist.gov 8:38:08 is my ...
0
votes
1answer
274 views

Add Date-Time Stamp To Copied File using Windows Batch

I thought this would be simple but it seems more of a challenge than I thought. I want a file to be copied and pasted with a time stamp appended. I get the time stamp using this code: set ...
11
votes
2answers
12k views

In Windows 7, how to show day name in system tray clock?

Without installing third-party software, how do I display the day in the clock in the lower-right system tray clock in Windows 7. For example: "Tuesday" (in addition to normal time and date ...
2
votes
3answers
8k views

Change the date time format in Skype chat

Where do I change the setting in Skype on Windows 7 for how time is formatted? While the time is shown as 11:14 PM on Skype I would rather it display as 23:14.
6
votes
3answers
17k views

How to set Debian to automatically update time and date?

I have an old computer and BIOS counts the time slower than real ;) So, how can I set my OS to update the time automatically using the internet? If it updated the time only during booting, it would ...
0
votes
1answer
27 views

How is time calculated between the Mobo/BIOS and the OS?

I'm attempting to work through this issue where a Windows 8.1 PC regularly loses track of time, sometimes going from (as an example) 1pm on one day to 8am on a previous day. The values vary. Every ...
2
votes
1answer
19 views

How to best manage the run of several processes?

My computer has 6 cores. I have to run 12 processes. Each process takes exactly 10 minutes. I want to consider (for the sake of the argument only) two scenarios: I run 2 processes successively on ...
0
votes
2answers
34 views

How do I set the time on my Ubuntu

I run my ubuntu on a virtual machine and the time does not update. How can I set up my machine so that everytime I turn it on the time will be correct? Ubuntu 12.04 running on a VMware VM with a W7 ...
-1
votes
1answer
45 views

If I change my computer's clock, will Area-51 think I'm on a different time? [closed]

On Area 51 Stack Exchange, you can only post 1 site proposal per day. What if I change my computer's clock? Will I be able to post multiple proposals per day? What if I change the clock back to where ...
4
votes
4answers
10k views

Automatically sync windows time more often than default

I have a few PCs that are losing time, and I'd like windows to synch them more often with the internet time. I think the windows default attempts to update only once per day, and does not update if ...
0
votes
1answer
35 views

Syncing to a Cell Phone Companies NTP Server [closed]

Not strictly for authentication, I am looking for a way force my Ubuntu NTP Server to use my cell phone companies network time as a basis for all my in home time. I cannot seem to find the address ...
0
votes
0answers
43 views

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 ...
0
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0answers
45 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 ...
-1
votes
1answer
134 views

Calculating Time Differences in Excel

I would like to calculate time differences within Excel but am having trouble with the formula. I am comparing a screen time to the actual speaking clock time. e.g Speaking clock = 13:00:00 ...
0
votes
1answer
66 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?
3
votes
3answers
7k 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 ...
3
votes
1answer
39 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 ...
-1
votes
1answer
28 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 ...
0
votes
1answer
24 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 ...
5
votes
3answers
4k 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 ...
4
votes
4answers
498 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?
1
vote
1answer
960 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 ...
1
vote
1answer
133 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.
2
votes
3answers
2k views

Bash: number of seconds till midnight of current day

How do I find the number of seconds till midnight of current day?
-2
votes
1answer
147 views

How to calculate estimated moments with 8 hour work days

In my worksheet, I want to calculate estimated end times of processes taking into account workday timeframes. Assume working days of 8:00 - 17:00 and omit Saturday and Sunday. So, for example, when ...
29
votes
9answers
44k 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.
1
vote
1answer
42 views

Cell Formatting, 0.00 where blank value

I have some cells that are formatted as hours and minutes i.e. [h]:mm. If no value exists in a cell I want the cell to show 0:00 without having to manually type. It needs to be user friendly, so if ...
1
vote
2answers
22 views

Get Average of time data in excel 2010

How do I compute average time in my column N my AHT works when I only use =AVERAGE(N6:N7) but when it is =AVERAGE(N6:N755) until the last column , it doesn't work note that there is only value on N:6 ...
0
votes
0answers
18 views

Timer (and animations) running at half speed

I noticed that recently all animations on my PC started running slowly (Aero animations, Games etc.) , although everything else is running normally. This seemed very strange, so I ran a simple C++ ...
0
votes
2answers
686 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 ...
0
votes
0answers
28 views

Block unwanted change in system time on windows

I don't want users to be able to change the system time. For this, I have set the Group Policy "Change the system time" to include only my Administrator account. I want to know the validity of this ...
14
votes
1answer
11k 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. ...
2
votes
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 ...
2
votes
0answers
40 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 ...