Various options on date command

What does the date command do in Linux?

date command is used to display the system date and time. date command is also used to set the date and time of the system. By default, the date command displays the date in the time zone on which Unix/Linux operating system is configured. You must be the super-user (root) to change the date and time.

Command: date

Command: date -u

Command: date -d”next sunday”

Command: date +%d/%m/y/%t/%H:%M:%S

Command: date -d “1 year”

Command: date +%d/%m/%Y

Command: date +%H:%M:%S