How to change date in Linux?

Changing date in Linux is very simple, we can you use "date" command with date specified in particular format. we can do this in two ways.

1. using "date --set" or "date -s" command.

    date --set "8 April 2008 20:42:45"

    or 

    date -s "7 April 2008 20:42:45"

2. simply "date MMDDhhmmYYYY.ss" command. 

     date 070821442012.34

    Format: "MM DD hh mm YYYY ss" stands for 

    MM = month = 07

    DD = day = 08

    hh = hour = 21

    mm = minute = 44

    YYYY = year = 2012

    ss = second = 34