Amazon EC2 instances changes server time/date on reboots and other time weirdness

Posted by puffpio on Server Fault See other posts from Server Fault or by puffpio
Published on 2010-07-15T17:44:54Z Indexed on 2010/12/24 21:55 UTC
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I have a windows instance up in EC2. I manually set the timezone to Pacific.

1) For some reason using window's built in time sync doesn't work in the instance...but whatever. I turn off automatic time syncing...

but 2) On reboot the time on the server changes! For example, if i reboot it at 4PM on Wednesday, when the server comes back up it will read 12 noon on Thursday!

As a result any access to Amazon's other services like SImpleDB fail because the timestamps generated are too far off the current time.

Has anyone seen this or figured this out?

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