Oops, it doesn't look like 'finishes off the day' is a national day..

Other days

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
unicorn

Unicorn Day
self appreciation

Self Appreciation Day
artists

Artists Day
donate your hair

Donate Your Hair Day
hiv awareness

Hiv Awareness Day
chocolate milkshake

Chocolate Milkshake Day
kale

Kale Day
fiancee

Fiancee Day
me

Me Day