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

Other days

self care

Self Care Day
first love

First Love Day
law

Law Day
buddy

Buddy Day
china

China Day
offer

Offer Day
latina equal pay

Latina Equal Pay Day
ormille

Ormille Day
promposal

Promposal Day
my little pony

My Little Pony Day