Oops, it doesn't look like 'line up and catch these hands day' is a national day..

Other days

prosecco

Prosecco Day

bounce

Bounce Day

lash

Lash Day

Emoji Day

donate your hair

Donate Your Hair Day

comfy

Comfy Day

self care

Self Care Day

nail polish

Nail Polish Day

pick me

Pick Me Day

carpenters

Carpenters Day