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

Other days

me

Me Day
bow tie

Bow Tie Day
camera

Camera Day
boba

Boba Day
self care

Self Care Day
bonang

Bonang Day
my little pony

My Little Pony Day
lash

Lash Day
bubble bath

Bubble Bath Day
fiancee

Fiancee Day