Questions tagged [clock]

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58 views

Altering the system clock?

I'm using windows 7, and I'm looking to see if what I'd like to do is possible. Basically, I'd like to change the time decrements between seconds to a period longer than a second. For example, when ...
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22 views

Clock drift on mac despite automatic synch enabled

I have a 15" 2017 MBP running Catalina 10.15.3. In Date & Time Preferences I have long had Set date and time automatically enabled, but recently I noticed that whenever I got a calendar alert it ...
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1answer
317 views

What does mean that a clock has virtual infinite precision?

In the hwclock man page one can read: (the hardware) clock actually has virtually infinite precision. and also: The System Time is not an integer, though. It has virtually infinite precision. I ...
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19 views

Win10 System clock at local time, but display UTC in taskbar (or widget?)

I don't want to change my system's time to UTC (so all my file operations and email dates and such are local), but I want to view UTC as my primary clock on the bottom right of the taskbar. Is this ...
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1answer
24 views

Windows 10 forces time sync/update with setting disabled

I have Windows 10 in a VM to run some tests, some of which require me simulating a different or "wrong" time. However Windows 10 seems to force the clock to the current time despite the Set time ...
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1answer
99 views

Changing Windows 10 System Clock Doesn't Work

I'm trying to post-date my Windows 10 system by one year. I go into the Windows menu to change date and time. I press 'Change', it opens a window, I choose 2020, I press 'Change', then the clock ...
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1answer
202 views

Start systemd service after internet clock

My systemd service starts at boot, and creates a log file with timestamps. However, as it is running in a device without real time clock (Raspberry), it writes some lines with wrong timestamps from ...
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6 views

How to get all the clock source pins on synplify?

I am using Synplify_pro_ME_L2016.09M-SP1 and I have difficulties while trying to declare the clocks in the synthesis constraints. I am using the command create_clock -name {CLK_name} -period $...
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1answer
685 views

Qemu-Kvm Windows 7 Host Clock Speed Issue

I've installed Windows 7 Service Pack 1 (x64) in a kvm virtual machine using virt-manager. Clock speed on the guest OS is going berserk. Everyhing is moving fast and the system time drifts which ...
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1answer
253 views

What time zone should I use for Cape Town

I want to add an additional clock for Cape Town. I know it's in SAST, but I don't know which of the time zones in the drop down correspond to it. Here are the UTC+02:00 time zones in the dropdown:
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0answers
50 views

System clock 100x slow

I just encountered a baffling glitch. I woke up my laptop (windows 10) from a weekend of sleeping (maybe hibernation), and noticed the clock was wrong. It was 1:31 PM on Monday, but my computer ...
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1answer
68 views

Winodws 7 Clock falling behind randomly by a few hours

A friend's laptop running Windows 7 keeps running behind by a few hours or days. It's an older laptop though I'm pretty sure that it is not the CMOS battery going bad as it would outright reset to ...
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3answers
1k views

System Clock drifting - how to synchronize without internet

I configured a system displaying some emergency data, and it needs to change information once a day, at a certain time (8 am). In the last year, the system clock was about 7 minutes fast. How can I ...
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1answer
1k views

How do I remove the clock shown on the Ubuntu lock screen? [closed]

I'm using Ubuntu 18.04. I want the remove the digital clock from the lock screen because I just want to see a good wallpaper there, unobstructed. How do I go about this?
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1answer
795 views

Lenovo Ideapad 530S - Heavy throttling making CPU stuck at 1.58GHz clock speed - Any solutions?

I'm using a Lenovo Ideapad 530S, which has i5 8250U CPU and MX150 GPU. Whenever I play a game such as Forza Horizon 3, the CPU clock starts with 3.38GHz, which is the maximum clock speed possible. ...
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2answers
115 views

How can I determine the bus clock programatically or via command line in Windows 10?

I want to write a program that displays some system information. How can I programmatically determine the clock speed of the bus?
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2answers
65 views

My computer Clock is behind

A private connection to www.google.co.in can't be established because your computer's date and time (Friday, January 1, 2010 at 12:04:46 AM) are incorrect. How can I correct the clock permanently.
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823 views

In the context of machine learning are there any specific specs one can evaluate to determine if one video card is more appropriate than another?

There are many different specifications provided when comparing GPUs. For instance, some of the many specifications include items like: Single precision floating point “theoretical” computation. ...
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1answer
150 views

Why is my computer clock not refreshing?

Since about 2 weeks my computers clock does not update on boot anymore for some reason. It does not fall back to a certain date and the CMOS Battery is at 3.288V (checked both with Open Hardware ...
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2answers
122 views

What is the purpose of being able to set a time at a unrealistic point of time? [closed]

When fiddling around with the time settings on Windows, I noticed that you can set the date at an unrealistic point in history. Why is this possible and what's its purpose? Did Microsoft and other ...
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2answers
115 views

How do computers, and computer-like devices such as phones, keep track of time? [closed]

I always wonder how timekeeping works on any electronic device; the basis on which it increments time units, such as every second or micro second. Somewhere I read it works with a battery; but how?
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3answers
4k views

How can I stop Linux from changing Windows's clock?

I have a computer (HP-e010nr) that dual-boots Linux Mint 18.3 (Cinnamon, 64-bit) and Windows 8.1 (64-bit). Both are installed via BIOS compatibility mode (the Windows installer refused to use UEFI). ...
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1answer
457 views

How to add the date in the taskbar clock without having to resize it?

I don't have much icons so I'd like to keep the taskbar minimal to save more screen space. However I'd like to have the date visible. How can I do that in Windows 7? For example, 15:31 should be 15:...
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1answer
616 views

How to show the time of multiple time zones in Windows 10 start menu

This article describes how to get the clocks of multiple time zones in the Windows 10 start menu, as follows: Open the Alarms & Clock app. Click on World Clock. On the bottom-right, ...
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2answers
249 views

How do I make a custom lock screen?

I would like to display the time as an analog clock on my lock screen, and I would like to show my battery percentage as a large loading bar stretching across my screen. Can I design a custom lock ...
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2answers
175 views

system clock not consistent in a dual boot system

I am running Windows 7 and Ubuntu 17.04 Zesty version in a dual boot configuration. The problem I am facing is this: - The system clock shown in the two OS remains different (separated by 5 hours and ...
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1answer
10k views

Windows 10: Issue With Clock While Using Custom Font

I am having trouble with the digital clock in the taskbar on Windows 10 when using a custom font. The colon appears as a square (invalid character). I've tried Clear Sans and FreeSans; regular, light, ...
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1answer
4k views

ASUS software atkexComSvc.exe keeps the clock at 100%

I bought an ASUS motherboard 970 Gaming Pro Aura, all runs ok except that a service from its software (atkexComSvc.exe) keeps the clock at 100% and uses about 17% to 25% of the processor resources. I ...
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1answer
1k views

Windows 10 Clock Occasionally Displays +5 hours Upon Startup

I've been having this strange issue with my system clock. Sometimes when I start up Windows 10, my clock displays a time that is 5 hours ahead of the current time. So if it's noon where I live (...
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0answers
243 views

Laptop low cpu clock speed / multiplier

Couple of days ago i have noticed drops in the performance of my laptop. I couldnt stream a movie or surf web on more than one web pages without lag even though i have 8gb ram and ssd installed on my ...
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1answer
469 views

How does an alarm clock application work? [closed]

My phone is dead and I don't have an alarm clock. Here was my solution (in Bash) to ensure I will wake up tomorrow morning while [ 1 ]; do TIME=$(date +'%H'):$(date +'%M') echo $TIME if [ $TIME ...
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2answers
68 views

How does computers sync the data and time while have no electricity?

How computers sync the data and time, While computer has isn't connected to any charge/electricity source? For example I set date and time on Windows and then I Shutted-down whole system, Pluged-out ...
2
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1answer
930 views

What is the difference between processor time and clock time?

I encountered the following section in my operating systems textbook: At any given point in time, while the program is executing, this process can be uniquely characterized by a number of ...
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3answers
2k views

Is there a way of getting correct CLOCK_TAI on Linux?

My Linux machine supports CLOCK_TAI, but its offset from CLOCK_REALTIME is incorrectly zero (this is the default). Is there software or other solution that will maintain CLOCK_TAI as TAI? From ...
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1answer
61 views

How accurate is the file creation time on an image taken by my cell phone? [closed]

If I have the creation time for a JPD created by a cell phone camera, how close can I assume it is to the time that the image was actually taken? I would like to use the file creation time to ...
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1answer
391 views

Communication between CPU and Northbridge at different clock speeds?

I am interested in learning about how CPU's transfer data to peripherals, and came across the wikipedia article on FSB. While its probably a bit outdated compared to modern systems, my question still ...
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48 views

How to add more than 2 additional timezone clocks in Windows 10? [duplicate]

Currently I have an ability to add only 2 additional time zones How to add more?
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0answers
194 views

Determining default qualification thresholds for ntpstat

I have been looking into the ntpstat command, more specifically how it determines whether or not the clock is synchronized. From the man page, I see the following excerpt: ntpstat returns 0 if clock ...
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1answer
391 views

Move Windows 10 clock back where it belongs

The Anniversary Update put the Action Center to the rightmost place that previously belonged to the clock. I want to swap them back. How can I do that? (I know that I can disable the Action Center ...
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2answers
2k views

PC clock keeps getting reset by something external

Problem with PC clock: keeps resetting itself to a date and time 17 days 14 hours 46 minutes ago. If I manually correct the clock, it stays correct for anything between a few seconds and 3 minutes and ...
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0answers
1k views

ASUS notebook clock changing date on its own

I have an ASUS K501U running Windows 10. From the get-go, it had issues with the clock. It would change the date on its own, regardless of using automatic time setting or not, or the time zone. As far ...
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2answers
655 views

W10 computer office 3 min ahead of time, other PCs are ok

How can I solve that I am the only W10 computer in the room that shows a 3-4 min delay (vs http://www.time.gov/, mobiles and the rest of PCs). It is not a configuration problem, even when I ...
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0answers
67 views

Getting Clock/Time information from PC to an STM32F4

Assume I connect a microcontroller board (like an STM32F4) to a PC via USB. Is there anything in the USB communication protocol that contains host clock data? In other words, can I sync the ...
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1answer
696 views

Is there any way to get correct system time without NTP?

I'm developing industrial embedded device on the ARMv7, 3.10 kernel. First, before taking up the main subject, let me talk about hardware time. Amlogic meson8b is core unit, so i used "aml-rtc" as ...
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0answers
279 views

Can I put a clock on both taskbars

I'm a gamer. I have 2 monitors. The clock's always on the game window, so I never know what time it is. Is there a way to put the clock on the task bar of the other screen too? I'm running windows 10 ...
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2answers
2k views

Automatic daylight savings adjustment: Where/How does Windows remember that it already did the time shift?

Does anyone know where Windows remembers the "actual state" of the daylight savings adjustment? My problem is related to kiosk systems where the entire harddisk is 'write-protected'. (I am talking ...
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3answers
2k views

New Toshiba laptop used without the battery installed needs date and time set on every boot

I have a new Toshiba laptop, and I use this machine with the battery out.Every time I start my laptop, I have to set manually time and date.Is there a setting in bios that would solve my problem?I ...
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0answers
64 views

Windows 8 is reseting time after set to UTC

I changed timezone like suggest in this answer But every hour Windows is reseting the time. I disabled sync from internet but the problem continues How can I solve that error?
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1answer
1k views

How do I make a virtual machine with non-standard speed of time (timescale)?

I think it should be technically possible, but I don't know of any ways to do this in already existing software. What I mean — the "hardware" clock in the VM should be able to run at different speeds,...
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2answers
1k views

Why do we need a CPU clock [closed]

I'm very confused regarding the working of a cpu clock.The following questions arise in my mind-What is the need of a clock in a cpu ? What does synchronization mean in context of working of a cpu ? ...