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

Other days

self appreciation

Self Appreciation Day
artists

Artists Day
nae nae

Nae Nae Day
pumpkin

Pumpkin Day
ask out your crush

Ask Out Your Crush Day
singles

Singles Day
china

China Day
cursing

Cursing Day
believe

Believe Day
brow

Brow Day