Oops, it doesn't look like 'guard is out and the mayors office and all the judges offices are closed that day' is a national day..

Other days

carpenters

Carpenters Day
self appreciation

Self Appreciation Day
kiss a brunette

Kiss A Brunette Day
nae nae

Nae Nae Day
me

Me Day
china

China Day
bubble bath

Bubble Bath Day
blanket fort

Blanket Fort Day
emoji

Emoji Day
donate your hair

Donate Your Hair Day