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

Other days

lash

Lash Day
offer

Offer Day
pampering

Pampering Day
gum

Gum Day
cuddle up

Cuddle Up Day
ask out your crush

Ask Out Your Crush Day
bow tie

Bow Tie Day
law

Law Day
boyfriend

Boyfriend Day
pick me

Pick Me Day