Oops, it doesn't look like 'youth prayer day' is a national day..

Other days

polyamory

Polyamory Day
lisp

Lisp Day
cuddle up

Cuddle Up Day
gallery

Gallery Day
pumpkin

Pumpkin Day
promposal

Promposal Day
frozen yogurt

Frozen Yogurt Day
bow tie

Bow Tie Day
youth

Youth Day
get funky

Get Funky Day