Oops, it doesn't look like 'excuse for people to smoke weed in the middle of the day' is a national day..

Other days

Promposal Day

Boba Day

Cuddle Up Day

Ask Out Your Crush Day

Embarrass Your Best Friend Day

Frozen Yogurt Day

Raise Awerness Of Zeus Day

Kiss A Ginger Day

Eat What You Want Day

Appreciate Yaself A Lil Extra Day