Question

Why their is only 28 or 29 days in February?

Answer 1

When Numa Pompilius took reign, he decided to make the calendar more accurate by lining it up with the year's 12 lunar cycles. ... So he added January and February to the end of the calendar. Because Romans believed even numbers to be unlucky, each month had an odd number of days, which alternated between 29 and 31.

Answer 2

there is only 28 or 29 days in February because of the revolution of earth around ,and it's rotation about its own exis,is the cause of the same star rising four minutes earlier after each day

hope this will help you...i am wrong.plzz tell me