Oops, it doesn't look like 'answer the telephone like buddy the elf day' is a national day..

Other days

azonto is acceptable

Azonto Is Acceptable Day
stud

Stud Day
self appreciation

Self Appreciation Day
cuddle up

Cuddle Up Day
carpenters

Carpenters Day
girl friend

Girl Friend Day
self care

Self Care Day
boyfriend

Boyfriend Day
donate your hair

Donate Your Hair Day
one

One Day