Oops, it doesn't look like 'tweet about clouds day' is a national day..

Other days

youth

Youth Day
stress awareness

Stress Awareness Day
pick me

Pick Me Day
tell ur crush you like them

Tell Ur Crush You Like Them Day
ormille

Ormille Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
lisp

Lisp Day
singles

Singles Day
first love

First Love Day
cursing

Cursing Day