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

Other days

slime

Slime Day
blanket fort

Blanket Fort Day
brow

Brow Day
ruby

Ruby Day
prosecco

Prosecco Day
reading

Reading Day
nail polish

Nail Polish Day
youth

Youth Day
kiss a ginger

Kiss A Ginger Day
hannah

Hannah Day