Oops, it doesn't look like 'jem mole umar khalid and anirban bhattacharya extended by one day' is a national day..

Other days

Lisp Day

Get Funky Day

Mean Girls Day

Unicorn Day

Fiancee Day

Lumpy Rug Day

Bubble Bath Day

Ask Out Your Crush Day

My Little Pony Day

Comfy Day