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

Other days

kale

Kale Day
ask out your crush

Ask Out Your Crush Day
lost sock memorial

Lost Sock Memorial Day
one

One Day
offer

Offer Day
fiancee

Fiancee Day
hoodie

Hoodie Day
boy friend

Boy Friend Day
artists

Artists Day
slime

Slime Day