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

Other days

promposal

Promposal Day
carpenters

Carpenters Day
tell a fairytale

Tell A Fairytale Day
bow tie

Bow Tie Day
pampering

Pampering Day
kiss a ginger

Kiss A Ginger Day
azonto is acceptable

Azonto Is Acceptable Day
polyamory

Polyamory Day
kiss a brunette

Kiss A Brunette Day
self care

Self Care Day