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

Other days

hiv awareness

Hiv Awareness Day
frozen yogurt

Frozen Yogurt Day
first love

First Love Day
boba

Boba Day
ride the wind

Ride The Wind Day
comfy

Comfy Day
unicorn

Unicorn Day
artists

Artists Day
hoodie

Hoodie Day
bow tie

Bow Tie Day