• Display the system date and time.
# date Wed Jan 12 20:29:32 GMT 2011
• Set the system date and time.
# date --set="13 Jan 2011 21:29:32"
• Get the day of a date
# date -d "April 3, 2011" Sun Apr 3 00:00:00 BST 2011
• Get relatives date
# date -d '5 months' Tue Oct 25 20:39:27 BST 2011
# date -d '-5 months' Sat Dec 25 20:40:07 GMT 2010
# date -d '50 days ago' Tue Apr 5 20:41:49 BST 2011
# date -d 'next friday' Fri May 27 00:00:00 BST 2011
# date -d 'April 3, 2011 -3 weeks' Sun Mar 13 00:00:00 GMT 2011
