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

Other days

bow tie

Bow Tie Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
special education

Special Education Day
boba

Boba Day
hoodie

Hoodie Day
donate your hair

Donate Your Hair Day
camera

Camera Day
youth

Youth Day
stress awareness

Stress Awareness Day
tulip

Tulip Day