How to fix incorrect UTC time on Debian/Ubuntu

I was getting headache when I am trying to fix the time of a Linux Mint server PC. The current time was suddenly become 1 hour ahead the correct time. I don’t know how or when did it happen. I have googled a lot to find a solution but I couldn’t find a simple ‘how to’. My problem looks similar to this.

ali@merbabu:~$ date -u
Wed May 25 01:13:38 UTC 2016

The UTC time shows 01:13:38 instead of 02:13:38. Baca lebih lanjut