Oops, it doesn't look like 'listen to in utero on repeat and cry yourself to sleep day' is a national day..

Other days

Kiss A Brunette Day

Youth Day

Pumpkin Day

Appreciate Yaself A Lil Extra Day

Nail Polish Day

Hot Chocolate Day

Bounce Day

Aloxolt Day

Ask Out Your Crush Day

Tell Ur Crush You Like Them Day