Oops, it doesn't look like 'call rain a simp day' is a national day..

Other days

coffee

Coffee Day

fiancee

Fiancee Day

ask out your crush

Ask Out Your Crush Day

law

Law Day

Emoji Day

prosecco

Prosecco Day

cuddle up

Cuddle Up Day

hiv awareness

Hiv Awareness Day

lost sock memorial

Lost Sock Memorial Day

stress awareness

Stress Awareness Day