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

Other days

brow

Brow Day
law

Law Day
self care

Self Care Day
ride the wind

Ride The Wind Day
stud

Stud Day
lumpy rug

Lumpy Rug Day
offer

Offer Day
pick me

Pick Me Day
lost sock memorial

Lost Sock Memorial Day
camera

Camera Day