Friday is that rare, once every four years thing: Leap Day. To read all about its origins and how it works, click here.
Among the fascinating facts on the calendar, according to time and date.com, are:
The most recent year in which February comprised five Fridays (like this year) was in 1980, and the next occurrence will be in 2036.
A calendar similar to the Julian calendar, with every fourth year earmarked as a leap year, was first introduced by King Ptolemy III of Egypt in 238 BC.
Using a calendar with 365 days every year would result in a loss of 0.2422 days, or almost six hours per year. After 100 years, this calendar would be more than 24 days ahead of the season
And, in case you are wondering: There are about 200,000 Americans with Feb. 29 as their birthday, the census bureau reports.
--Noel Rubinton