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

Other days

coffee

Coffee Day
carpenters

Carpenters Day
ruby

Ruby Day
aloxolt

Aloxolt Day
blanket fort

Blanket Fort Day
healing

Healing Day
one

One Day
ride the wind

Ride The Wind Day
martini

Martini Day
bounce

Bounce Day