Score: Rank:

Correct Answer: Every four years

The Solar year is 365.2422 days long, a length that no calendar year can accommodate. By having leap years every four years we ensure that the months consistently match up with the seasons.

Did you know ...
?!
Humans Sleep Better In Hammocks Than Beds

The gentle rocking motion of a hammock makes people fall asleep sooner, and sleep longer, than if they had slept in an ordinary bed.

What imaginary line separates the Earth into the Northern and Southern hemispheres?

Is it Equator or Median?
Getty Images
More from TriviaBOSS
Is it Equator or Median?
Quiz Written By
Samantha Williamson,
Quizmaster
Samantha Williamson worked for a variety of political publications before joining the staff at Policulous.com early in 2017. She covers local and state politics. Since starting her career in journalism, Samantha has focused her work on investigative reporting, where she’s written about a wide range of topics including the presidential elections in 2016, the financial meltdown of 2008, and the British phone hacking scandal that involved Rupert Murdoch.