Question 1

How many days does August 1981 have?

Accepted Answer

August 1981 has 31 days. It starts on Saturday and ends on Monday.

Question 2

What ISO week does August 1981 start in?

Accepted Answer

1 August 1981 falls in ISO week 31. Weeks run Monday–Sunday per ISO 8601.

Question 3

Where can I see the public holidays of Japan in August 1981?

Accepted Answer

The calendar on this page marks every national public holiday of Japan in August 1981 in red, with joint/regional days in amber.

8月 1981