Question

why does a leap year have 366 days

Answer 1

Answer:

That is a leap year. In an ordinary year, if you were to count all the days in a calendar from January to December, you'd count 365 days. But approximately every four years, February has 29 days instead of 28. So, there are 366 days in the year

let's know more

Our calendar has 365 days in a year, because that's pretty much how long it takes the Earth to orbit the Sun. ... So Pope Gregory XIII created the Gregorian calendar, coined the term "leap year" and established February 29 as the official date to add to a leap year.

Answer 2

Answer:

because earth takes 365 daye and 6 hours to revolute the sun, so in 4 years it would be 24hours that 366