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

Other days

youth

Youth Day
bow tie

Bow Tie Day
azonto is acceptable

Azonto Is Acceptable Day
ruby

Ruby Day
hannah

Hannah Day
tulip

Tulip Day
emoji

Emoji Day
hiv awareness

Hiv Awareness Day
cuddle up

Cuddle Up Day
ponytail

Ponytail Day