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

Other days

buddy

Buddy Day
eat what you want

Eat What You Want Day
chocolate milkshake

Chocolate Milkshake Day
offer

Offer Day
bow tie

Bow Tie Day
nae nae

Nae Nae Day
get funky

Get Funky Day
youth

Youth Day
one

One Day
boy friend

Boy Friend Day