If you try to change your clock, NTP setting and sync to hardware clock but the date still wrong so here’s how
#date
Thu Nov 27 08:16:23 IST 2014 #wrong date time
#dpkg-reconfigure tzdata
Current default time zone: ‘Asia/Ho_Chi_Minh’
Local time is now: Thu Nov 27 09:48:02 ICT 2014.
Universal Time is now: Thu Nov 27 02:48:02 UTC 2014.
#date
Thu Nov 27 09:48:09 ICT 2014 #correct now