See how people keep track of days, weeks, months, and years today.
Learn the basics with this easy-to-understand article from
your About Guide to Geography.
Compare calendars from different parts of the world and
different cultures. You'll be amazing at how much is the
same--and how much is different!
Get the answers to some Calendar FAQs, Frequently Asked
Now this is cool! You can see what day of the week it was on
this date many years ago! You can also find out the next
Friday the 13th! The calendar goes many years in the past
and many years in the future.