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

Other days

ormille

Ormille Day
ride the wind

Ride The Wind Day
offer

Offer Day
get funky

Get Funky Day
brow

Brow Day
girl friend

Girl Friend Day
lash

Lash Day
nae nae

Nae Nae Day
blanket fort

Blanket Fort Day
ruby

Ruby Day