Question 1

How many days does September 2021 have?

Accepted Answer

September 2021 has 30 days. It starts on Wednesday and ends on Thursday.

Question 2

What ISO week does September 2021 start in?

Accepted Answer

1 September 2021 falls in ISO week 35. Weeks run Monday–Sunday per ISO 8601.

Question 3

Where can I see the public holidays of Papua New Guinea in September 2021?

Accepted Answer

The calendar on this page marks every national public holiday of Papua New Guinea in September 2021 in red, with joint/regional days in amber.