Four Twenty

Used to refer to cannabis or to the act of smoking cannabis.

"a Four Twenty-friendly hotel"

Twenty Four

Noun; A track from the winter-themed EP "For Life" by the male group EXO. The song is heavily influenced by Western Trap & Hip-Hop.

Only EXO could include a song like Twenty Four on a Christmas album and get away with it.

twenty-four-hour clock

A time system based on the representation of time on a twenty four hour based system

Twenty-four-hour clock systems are 00:01 through 24:00