Last modified dates changing automatically

Discussion in 'Windows Vista General Discussion' started by bryan stradley, Jul 3, 2008.

  1. I've come across what I think is an issue. I'll give the rundown of what I'm
    looking at. I would like to hear an explanation of why Windows is performing
    the way it is.

    I'm located in the Eastern time zone (GMT -5:00). Lets say i have a file and
    it's correct last modified date is 2/25/2007 10:00am.
    If I look at that file during daylight savings time and I have the option of
    automatically adjusting the clock for daylight savings then the file will
    display a last modified time of 2/25/2007 11:00am. But if I uncheck that
    option then it will display the correct 10am.
    If I look at the same file during non-daylight savings time the file always
    displays 10am regardless if that option is selected or not.

    Can anyone explain why Windows modifies the time like that? I see this exact
    same behavior on both XP and Vista.
    bryan stradley, Jul 3, 2008
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  2. In general times are maintained in 'GMT', as they are displayed they are
    converted to the 'local' time
    Michael Walraven, Jul 3, 2008
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  3. Why would you expect it to make the adjustment from UTC including daylight
    saving, when it is not the time of the year to include daylight saving??

    Censored Syndrome, Jul 4, 2008
  4. bryan stradley

    Gerald Ross Guest

    I can't explain it but it has annoyed me for years. When comparing
    files with a copy made for backup and every one is 1 hr different from
    the backup, it is a nuisance.
    Gerald Ross, Jul 5, 2008
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