Ubuntu – How to fix wrong system time and date

datetime

I just ran a clean install of 12.10 on my sys76 laptop.

Time and date reads: 19:36 31 december 1969, even though it is: 13:29 07 november 2012.

I have it set for my location and it won't change manually, even tried in the command line with tz.

I think it is messing up the security certificates over the Internet cause I cannot change PPA over command line and going to Launchpad brings up the certificates page in Firefox.

Is this some known bug or is there a fix for it?

Best Answer

Try:

sudo ntpdate ntp.ubuntu.com

Yes, it would certainly mess with the SSL certificates, because they would be future-dated.

I doubt it's a bug in Ubuntu. Your CMOS clock in the BIOS must have been set to that somehow.

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Time – How to Display the Current Time & Date Setting

I don't know of a single file, but this may give you the info needed:

cat /etc/timezone
grep UTC /etc/default/rcS
date
# hardware clock
sudo hwclock --show

Ubuntu – How to change the date and time on Ubuntu

From man date

-s, --set=STRING
          set time described by STRING

To change date, use the command in terminal,

sudo date --set=STRING

For example, to change date to 25 Sep 2013 15:00, the command would be,

sudo date --set "25 Sep 2013 15:00:00"

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