Oops, it doesn't look like 'no mask and bra day' is a national day..

Other days

lisp

Lisp Day
ask out your crush

Ask Out Your Crush Day
self appreciation

Self Appreciation Day
self care

Self Care Day
boba

Boba Day
comfy

Comfy Day
kale

Kale Day
emoji

Emoji Day
singles

Singles Day
bonang

Bonang Day