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

Other days

one

One Day
first love

First Love Day
ride the wind

Ride The Wind Day
book

Book Day
ruby

Ruby Day
tell ur crush you like them

Tell Ur Crush You Like Them Day
boyfriend

Boyfriend Day
unicorn

Unicorn Day
law

Law Day
boba

Boba Day