Oops, it doesn't look like 'tim oh day' is a national day..

Other days

brow

Brow Day
singles

Singles Day
bonang

Bonang Day
stress awareness

Stress Awareness Day
ride the wind

Ride The Wind Day
get funky

Get Funky Day
ruby

Ruby Day
lash

Lash Day
believe

Believe Day
first love

First Love Day