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

Other days

youth

Youth Day
bow tie

Bow Tie Day
bounce

Bounce Day
stud

Stud Day
boy friend

Boy Friend Day
lost sock memorial

Lost Sock Memorial Day
ponytail

Ponytail Day
gum

Gum Day
carpenters

Carpenters Day
boba

Boba Day