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

Other days

coffee

Coffee Day
polyamory

Polyamory Day
donate your hair

Donate Your Hair Day
cuddle up

Cuddle Up Day
fiancee

Fiancee Day
boba

Boba Day
bonang

Bonang Day
lisp

Lisp Day
mean girls

Mean Girls Day
slime

Slime Day