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

Other days

self care

Self Care Day
pampering

Pampering Day
bow tie

Bow Tie Day
nail polish

Nail Polish Day
buddy

Buddy Day
hannah

Hannah Day
law

Law Day
azonto is acceptable

Azonto Is Acceptable Day
cursing

Cursing Day
camera

Camera Day