Network Time Protocol (NTP) is a protocol responsible for keeping your computer time in sync (Standard Time) with the rest of the world. Keeping up with standard time with the rest of the world proves to be useful when you’re interacting with the rest of computers across the world.
Here’s how to manually update your computer time to syncronise with NTP, from the terminal run ‘ntpdate’ command
sudo ntpdate europe.pool.ntp.org north-america.pool.ntp.org
If you live in South-East Asia like me, you can synchronize your computer time with the Malaysian/SIngapore NTP server
sudo ntpdate mst.sirim.my sg.pool.ntp.org
Note that the synchronizing process is usually done automatically by the operating system when the computer is connected to the internet. This command is useful if you wish to synchronize your computer manually when you’re connected to internet.