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

Other days

ride the wind

Ride The Wind Day
healing

Healing Day
boba

Boba Day
blanket fort

Blanket Fort Day
azonto is acceptable

Azonto Is Acceptable Day
hoodie

Hoodie Day
first love

First Love Day
camera

Camera Day
pumpkin

Pumpkin Day
china

China Day