Question 1

How many days does March 1980 have?

Accepted Answer

March 1980 has 31 days. It starts on Saturday and ends on Monday.

Question 2

What ISO week does March 1980 start in?

Accepted Answer

1 March 1980 falls in ISO week 9. Weeks run Monday–Sunday per ISO 8601.

Question 3

Where can I see the public holidays of Japan in March 1980?

Accepted Answer

The calendar on this page marks every national public holiday of Japan in March 1980 in red, with joint/regional days in amber.

3月 1980