Linux/Basic commands/date (Unix command)

command allows to print or set the system date and time.

Basic Examples
$ date -d now Wed Aug 18 16:47:31 EDT 2019

$ date -d today Wed Aug 18 16:47:32 EDT 2019

$ date -d yesterday Tue Aug 17 16:47:33 EDT 2019

$ date -d tomorrow Thu Aug 19 16:46:34 EDT 2019

$ date -d sunday Sun Aug 22 00:00:00 EDT 2019

$ date -d last-sunday Sun Aug 15 00:00:00 EDT 2019 Other valid date time strings include: last-week, next-week, last-month, next-month, last-year, and next-year.

$ date +%b Aug

$ date +%B August

MacOS: $ date +%F_-%T 2019-08-03_-09:14:54

Activities

 * 1) Read   man page: http://man7.org/linux/man-pages/man1/date.1.html