System time clock

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  1. Posts : 3,612
    Operating System : Windows 7 Home Premium Edition 6.01.7600 SP1 (x64)
       #1

    System time clock


    hi all :)\
    has anyone had trouble with the clock changing its time and date at random ? i run windows 7 on my main hard drive and linux kubuntu on a ssd drive and was wondering if this is the cause? i only noticed today when my security software would not update and when i downloaded a program and noticed the install date was the 01/ 11/ 10 and the time was 1 hour fast i have checked the time server and corrected date and time and reset.
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  2. Posts : 8,476
    Windows® 8 Pro (64-bit)
       #2

    Yep, same here. Though my setup is little different. I have dual booted Win7 and Ubuntu and on certain intervals, the system time changes for both the OS.
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  3. Posts : 10,994
    Win 7 Pro 64-bit
       #3

    I'm guessing you've followed all the steps in the Microsoft article Set the clock. It could be a weak or failing CMOS battery.
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  4. Posts : 8,476
    Windows® 8 Pro (64-bit)
       #4

    marsmimar said:
    I'm guessing you've followed all the steps in the Microsoft article Set the clock. It could be a weak or failing CMOS battery.
    I have done that as well. Its not the CMOS battery. Its something to do with the mysterious dual boot config.
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  5. Posts : 3,612
    Operating System : Windows 7 Home Premium Edition 6.01.7600 SP1 (x64)
    Thread Starter
       #5

    ah im not alone with this, i am going to try and set the same time server for windows and kubuntu example>> time.nist.gov
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  6. Posts : 3,612
    Operating System : Windows 7 Home Premium Edition 6.01.7600 SP1 (x64)
    Thread Starter
       #6

    Dinesh said:
    marsmimar said:
    I'm guessing you've followed all the steps in the Microsoft article Set the clock. It could be a weak or failing CMOS battery.
    I have done that as well. Its not the CMOS battery. Its something to do with the mysterious dual boot config.
    my battery is about 11 months old and i have checked the clock settings
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  7. Posts : 5,642
    Windows 10 Pro (x64)
       #7

    It is because you are dual booting. Linux sets the hardware clock one way, Windows reads and sets it another way. Windows use local time, Linux is set by default to use UTC time. The hardware clock has no timezone information so...confusion.

    http://blogs.msdn.com/b/oldnewthing/...02/224672.aspx
    http://weblogs.asp.net/dfindley/arch...Pro_2900_.aspx
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  8. Posts : 8,476
    Windows® 8 Pro (64-bit)
       #8

    logicearth said:
    It is because you are dual booting. Linux sets the BIOS clock one way, Windows reads and sets it another way. Windows use local time, Linux is set by default to use UTC time. The BIOS clock has no timezones so...confusion.
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  9. Posts : 3,612
    Operating System : Windows 7 Home Premium Edition 6.01.7600 SP1 (x64)
    Thread Starter
       #9

    kubuntu has the same as windows to change time but the time servers to choose from are not the same
    Attached Thumbnails Attached Thumbnails System time clock-snapshot1.png   System time clock-brys-time.png  
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  10. Posts : 10,994
    Win 7 Pro 64-bit
       #10

    From an Ubuntu forum:

    To keep Linux from using UTC, right click on the clock > preferences > uncheck the UTC box. Or, if you don't have a clock you can edit /etc/default/rcS and change the line UTC=yes to UTC=no. If you need to change the time zone you can run sudo tzselect.

    To log in as root and change the UTC settings, use the command:
    gksu gedit /etc/default/rcS

    Don't know if this will help or not.
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