Question 1

How many days does May 1900 have?

Accepted Answer

May 1900 has 31 days. It starts on Tuesday and ends on Thursday.

Question 2

What ISO week does May 1900 start in?

Accepted Answer

1 May 1900 falls in ISO week 18. Weeks run Monday–Sunday per ISO 8601.

Question 3

Where can I see the public holidays of New Zealand in May 1900?

Accepted Answer

The calendar on this page marks every national public holiday of New Zealand in May 1900 in red, with joint/regional days in amber.