Prior to 1972, this time was called Greenwich Mean Time (GMT) but is now referred to as Coordinated Universal Time or Universal Time Coordinated (UTC). In openSUSE, UTC time will be selected by default if Windows is not detected. Normally, a Linux only, not a dual boot installation, should use UTC time. However, if you really do dual boot between openSUSE and Windows, then using UTC time will not work properly as Windows does not seem to handle this setting. This can cause a fight for your digital clock on each swap between the two Operating Systems.
Have a look on the subject here: SDB:Configuring the clock - openSUSE
And for those that wonder where in all of this that they fit, have a look at the UTC chart you can find here: What is UTC or GMT Time? & UTC/GMT TIME CHART
Now, when you install openSUSE, you can see in this snapshot below, that UTC time has been selected.
The normal solution, if you dual boot with Windows, would be to uncheck this option as shown in the snapshot below and select the Next button on the bottom right:
But, alas, it does not always seem to work and later, you will find that UTC is still selected. So, what we suggest after you have completed your openSUSE installation is to open up a terminal session and execute one of the two following commands. The first would be the default if you do not dual boot with Windows and the second is recommended if you DO dual boot with Windows.
- For a UTC Setting Do this (recommended for users that don’t dual boot with Windows):
su -
echo -e "0.0 0 0.0
0
UTC" > /etc/adjtime
- For a LOCAL Setting Do this (recommended for users that DO dual boot with Windows):
su -
echo -e "0.0 0 0.0
0
LOCAL" > /etc/adjtime
You most likely need to restart openSUSE for a manual edit of this file to work properly. It is OK to use Local time no matter your reason if you wish to. Since this seems to be an issue with the DVD installation disk, it will likely remain that way for the entire life of openSUSE 12.2.
Please, If you have any comments on this issue, let me know what they are.
Thank You for using openSUSE!
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