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

Other days

buddy

Buddy Day
tulip

Tulip Day
offer

Offer Day
first love

First Love Day
self appreciation

Self Appreciation Day
pampering

Pampering Day
lumpy rug

Lumpy Rug Day
boy friend

Boy Friend Day
believe

Believe Day
cursing

Cursing Day