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I work 9-5 and switch my PC off when I leave the office each day. When doing timesheets I need to know what time I got to work, so I usually use cmd > systeminfo for finding the System Boot Time.

Since upgrading to Windows 7 however, it's started reporting bizarre numbers between 11pm-2am instead of 8-9am. Today it says it booted at 11:34pm last night!

I checked the event log and there is no entries between when I shutdown at 5:30pm yesterday and booted around 8am this morning.

Has anyone else encountered this?

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    where are you (what timezone)? sounds as if it's a broken timezone thing -- if it thinks your current hw clock is set to GMT and subtracts to get PST, but your hw clock is actually set to PST, the result will be pretty far off.
    – quack quixote
    Oct 7, 2009 at 3:50
  • Possible duplicate of How can I find out when Windows was last restarted?
    – DavidPostill ♦
    Apr 21, 2016 at 9:50

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I have the same - Windows 7 x64, since few days after enabling hibernation, after boot the system timer sometimes shows different time.

There's a great writeup here by Joey about what could be the case: Windows XP clock set incorrectly after resume from sleep

I tried setting Windows to auto-sync time, and it seems to have helped... but too little time yet to draw conclusions (I think once it didn't work).

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I just had the same issue and found this How can I find out when Windows was last restarted?

It's correct. Command "net statistics workstation" reveals the actual boot time (or near enough to answer the original question).

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  • How about quoting, what you feel, is the relevant information from that answer or flagging this question as a duplicate of that existing question?
    – Ramhound
    Apr 20, 2016 at 15:42

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