Question 1

How many days does September 1999 have?

Accepted Answer

September 1999 has 30 days. It starts on Wednesday and ends on Thursday.

Question 2

What ISO week does September 1999 start in?

Accepted Answer

1 September 1999 falls in ISO week 35. Weeks run Monday–Sunday per ISO 8601.

Question 3

Where can I see the public holidays of São Tomé and Príncipe in September 1999?

Accepted Answer

The calendar on this page marks every national public holiday of São Tomé and Príncipe in September 1999 in red, with joint/regional days in amber.

setembro 1999