What Is Leap Day 2024 In Canada. Because it actually takes a bit longer than 365 days for the earth to revolve around the sun, an extra. During leap years, there are 366 days in the calendar cycle as opposed to 365, with the.

Adding a leap day every four years would make the calendar longer by more than 44 minutes, according to the national air & space museum. A leap year is a year that has 366 days, instead of the usual 365 days.