How to Set the System Time

How to Set the System Time In 2 Steps

Open in Terminal 

1.sudo su --> Enter Password

2. sudo timedatectl set-time "2018-12-11 17:33:16"

Note: Time Should be In 24 Hr Format.
here 17 - 5 pm
      18 - 6 pm 
      19 - 7 pm 
      20 - 8 pm 
     21 - 9 pm
     22 - 10 pm
     23 - 11 pm
     24 - 12 am
     1 - 11 am