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Windows Ubuntu dual boot OS - Clock synch problem

If you plan to install windows and ubuntu as dual boot configuration, you might face problem related to system time on both operating systems. Both OS will show different time with some time offset. If you set time in one OS, correspondingly the time changes in other OS also. So you will never have time synchronized in both OS. This is due the fact that windows uses localtime where ubuntu uses Coordinated Universal Time (UTC) for managing system clock. You can configure either of the OS to work in the mode the other OS is working. This blog explains how to change the way ubuntu manages its clock.

As windows is using localtime, disable UTC on ubuntu. Follow the steps mentioned below to disable UTC on ubuntu.

To tell your Ubuntu system that the hardware clock is set to ‘local’ time:

vijayukani@cse5:~$ sudo gedit /etc/default/rcS

In the rcS file, add or change the following section


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