Oops, it doesn't look like 'debt per day' is a national day..

Other days

youth

Youth Day
bow tie

Bow Tie Day
boba

Boba Day
china

China Day
slime

Slime Day
bounce

Bounce Day
healing

Healing Day
kiss a brunette

Kiss A Brunette Day
believe

Believe Day
eat what you want

Eat What You Want Day