you can set date in linux system by using the date commad as follows
date -s "15:41:00"
To display current date and time, enter:
To set the date and time, enter:
For a system using CST as its time zone, this sets the date and time to Sat Feb 17 14:25:00 CST 1990.
You must have root authority to change the date and time.
To display the date and time in a specified format, enter:
date +”%r %a %d %h %y (Julian Date: %j)”
This displays the date shown in Example 2 as:
02:25:03 PM Fri 17 Feb 90 (Julian Date: 048)