Mathedu - Reengineering Mathematics

Mathedu Reengineering Mathematics

The Blog of Mathedu Academy

A content for the curious of the mathematics in the real world… and beyond, including video tutorials.

Stacks Image 267

Why is there a February 29, 2020, and not in 2021 or 2019?

Well, the day length is exactly the time by which the earth makes a turnaround on itself. And the year is exactly the time by which the earth makes a complete revolution around the sun.
Thus, the number of days of the year must be the ratio of the year length on the day length say, in seconds.
The problem is that there is no reason for that ratio to be an integer…
Read More...
 Page 1 / 2  >>