2012 · Q72
Why do we have a leap year every four years?
General KnowledgeGeography
- AThe Earth gets shifted out of orbit every four years
- BThe revolution slows down a little once every four years
- CThe length of a year is not an integer number of days
- DIt is a convention
Explanation
A year is ~365.25 days; the extra quarter-day accumulates to a leap day every four years.