UTC offset incorrect in Windows OS

  1.    24 Apr 2018 #1

    UTC offset incorrect in Windows OS

    Today is April 24th 2018 and the UK is in British summertime which is UTC + 1 hour. Windows shows my offset as UTC + 0. I am in London (England) and my windows clock is showing the correct time but I have an application which needs to calculate UTC and it does this by taking the clock time and adjusting it by the UTC offset and it is currently getting the wrong answer. Ubuntu knows what the UTC offset is , as does Apple - why not Microsoft? I would appreciate comments. Thanks folks.
      My ComputerSystem Spec

  2.    25 Apr 2018 #2

    I'm not all too familiar with these settings, but is your BIOS set to the properly time? That can often cause time issues within the OS.
      My ComputerSystem Spec

  3.    25 Apr 2018 #3

    Windows uses local time for some unknown historical reason. If you want you can set it to UTC (especially useful if you dualboot with Linux and/or macOS).

    This registry change works on Windows 10 (I use UTC): Time - ArchWiki
      My ComputerSystem Spec


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