2020: a Leap Year

 A leap year has 366 days instead of the usual 365 days, and occurs nearly every four years. The extra day during leap years is the leap day on February 29.

How to know if it is a Leap Year:

	Leap Years are any year that can be exactly divided by 4 (such as 2016, 2020, 2024, etc)
		except if it can be exactly divided by 100, then it isn't (such as 2100, 2200, etc)
			except if it can be exactly divided by 400, then it is (such as 2000, 2400) https://www.mathsisfun.com/leap-years.html