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

Other days

eat what you want

Eat What You Want Day
lumpy rug

Lumpy Rug Day
believe

Believe Day
me

Me Day
artists

Artists Day
pick me

Pick Me Day
china

China Day
brow

Brow Day
promposal

Promposal Day
bonang

Bonang Day