eli5 What is the concept of months? Why Feb has only 28 while some have 31? When did the concept of 365 days’ year come in people?

Question

eli5 What is the concept of months? Why Feb has only 28 while some have 31? When did the concept of 365 days’ year come in people?

In: Other

Answer 1

The year actually has a basis in reality. Through various methods of measuring the sun and stars people stumbled upon a pattern that we now know is the earth doing an orbit around the sun.

For the months, however, I have no clue. I’ll have to look that one up.