You may manually sync the clock using the following
sudo ntpdate servername
where servername can be any public or private time server.
Example
sudo ntpdate pool.ntp.org
POW·ER·CRAM NOUN, \ˈPAU̇(-Ə)R\ˈKRAM\ – CONSISE, USEFUL INFORMATION ABOUT COMPUTERS, NETWORKS AND CLOUD.
You may manually sync the clock using the following
sudo ntpdate servername
where servername can be any public or private time server.
Example
sudo ntpdate pool.ntp.org