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

Other days

comfy

Comfy Day
gum

Gum Day
pampering

Pampering Day
youth

Youth Day
get funky

Get Funky Day
artists

Artists Day
promposal

Promposal Day
tell a fairytale

Tell A Fairytale Day
bow tie

Bow Tie Day
hoodie

Hoodie Day