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

Other days

slime

Slime Day
bubble bath

Bubble Bath Day
self appreciation

Self Appreciation Day
ruby

Ruby Day
aloxolt

Aloxolt Day
china

China Day
hannah

Hannah Day
cursing

Cursing Day
boba

Boba Day
ask out your crush

Ask Out Your Crush Day