Oops, it doesn't look like 'Follow Auld Moaning Git day' is a national day..

Other days

kale

Kale Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
frozen yogurt

Frozen Yogurt Day
promposal

Promposal Day
bow tie

Bow Tie Day
ride the wind

Ride The Wind Day
pumpkin

Pumpkin Day
ponytail

Ponytail Day
tell ur crush you like them

Tell Ur Crush You Like Them Day
self care

Self Care Day