Oops, it doesn't look like 'B Dub F day' is a national day..

Other days

offer

Offer Day
kiss a ginger

Kiss A Ginger Day
get funky

Get Funky Day
boba

Boba Day
hoodie

Hoodie Day
book

Book Day
eat what you want

Eat What You Want Day
buddy

Buddy Day
bounce

Bounce Day
bonang

Bonang Day