• Changing system time


    Using Mint 19.2 with USB.  Everytime I boot into this OS and then exit out, my Windows system time is changed.  I have checked the time in my BIOS and the time within Mint and they both are correct.  But when I get back to Windows, it has changed.  I can change this back, but it is doubly frustrating as I have converted my account to a user account, so I have to also enter my password.  Anyway that these can all be synced?  Thanks

    Viewing 4 reply threads
    • #2021380

      I recall another discussion about this issue elsewhere in this forum. Appears to be a known issue with dual boot and differences in the way the Windows and Linux OS talks to the system clock. Can’t remember if there is a workaround for it though.



      Windows 10 Pro 22H2

    • #2021393

      ok, you need to do a registry edit within Windows once you have set the correct time.

      navigate to:

      HKEY_LOCAL_MACHINE / System / CurrentControlSet / Control / TimeZoneInformation

      Right-click in the right hand pane and selected New DWORD (32-bit Value)
      name it: RealTimeIsUniversal

      Once set, change it’s value from 0 to 1.

      That should now sync the clock across Windows and Mint.

      No problem can be solved from the same level of consciousness that created IT- AE
    • #2021413

      Generally speaking, Linux OSs assume by default that the hardware clock is set to UTC time, not local time. Whereas Windows machines usually assume by default that the hardware clock is set to local time.

      The fix is to first tell Linux that the hardware clock is set to local time. When you do this, the time that Linux displays will be wrong, but ignore this. Reboot into Windows — or go into your BIOS — and adjust the clock to the correct local time.

      I don’t know about Mint, but in Ubuntus this is the drill:
      1. Boot into Linux
      2. Make sure your system is set to the correct timezone.
      3. In a terminal window, give the command
      timedatectl set-local-rtc 1
      4. Check that Linux is indeed aware that the hardware clock is local time, by issuing the command
      5. Now reboot into Windows, or go into BIOS, and fix the clock to the correct local time.

    • #2021485

      Explained very well here – work for me and I’m a real dummy.
      How to Fix Windows and Linux Showing Different Times When Dual Booting

      Chris Hoffman

      September 12, 2017, 12:34pm EDT

    • #2021498

      Here’s how I dealt with it:

      Scroll to October 1, 2016 at 9:08 am, post #1580008

      Group "L" (Linux Mint)
      with Windows 8.1 running in a VM
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