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

Other days

offer

Offer Day
pampering

Pampering Day
ruby

Ruby Day
eat what you want

Eat What You Want Day
one

One Day
singles

Singles Day
me

Me Day
comfy

Comfy Day
azonto is acceptable

Azonto Is Acceptable Day
lash

Lash Day