Oops, it doesn't look like 'guys at the end of he day' is a national day..

Other days

tell ur crush you like them

Tell Ur Crush You Like Them Day
ruby

Ruby Day
self appreciation

Self Appreciation Day
stress awareness

Stress Awareness Day
hoodie

Hoodie Day
cuddle up

Cuddle Up Day
kiss a brunette

Kiss A Brunette Day
camera

Camera Day
hiv awareness

Hiv Awareness Day
ask out your crush

Ask Out Your Crush Day