Oops, it doesn't look like 'my bad day' is a national day..

Other days

boba

Boba Day
kale

Kale Day
brow

Brow Day
boyfriend

Boyfriend Day
hoodie

Hoodie Day
stress awareness

Stress Awareness Day
hiv awareness

Hiv Awareness Day
bow tie

Bow Tie Day
carpenters

Carpenters Day
ormille

Ormille Day