Oops, it doesn't look like 'athem out of the start of the day' is a national day..

Other days

nail polish

Nail Polish Day
book

Book Day
nae nae

Nae Nae Day
coffee

Coffee Day
gum

Gum Day
promposal

Promposal Day
prosecco

Prosecco Day
ruby

Ruby Day
reading

Reading Day
hoodie

Hoodie Day