Short Title Short title 1 This Act may be cited as the  National Thanadelthur Day Act . National Thanadelthur Day National Thanadelthur Day 2 Throughout Canada, in each and every year, the 5th day of February is to be known as “National Thana­del­thur Day”. Not a legal holiday 3 For greater certainty, National Thanadelthur Day is not a legal holiday or a non-juridical day.