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

Other days

ruby

Ruby Day
fiancee

Fiancee Day
lash

Lash Day
buddy

Buddy Day
blanket fort

Blanket Fort Day
latina equal pay

Latina Equal Pay Day
reading

Reading Day
comfy

Comfy Day
aloxolt

Aloxolt Day
frozen yogurt

Frozen Yogurt Day