This all-new Google Doodle “portrays a scene from Rossini’s most famous opera, The Barber of Seville, through a cast of illustrated frogs; in the scene, Count Almaviva masquerades as a music teacher in order to meet with a woman he’s admired from afar and attempted to court through anonymous serenade.” Continue reading to find out what a leap year really is.

A leap year is a year containing one additional day in order to keep the calendar year synchronized with the astronomical or seasonal year. Because seasons and astronomical events do not repeat in a whole number of days, a calendar that had the same number of days in each year would, over time, drift with respect to the event it was supposed to track. By occasionally inserting an additional day or month into the year, the drift can be corrected.

[via MashableWiki]