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

Other days

bonang

Bonang Day
bow tie

Bow Tie Day
boy friend

Boy Friend Day
hiv awareness

Hiv Awareness Day
blanket fort

Blanket Fort Day
martini

Martini Day
nae nae

Nae Nae Day
hannah

Hannah Day
ormille

Ormille Day
brow

Brow Day