(idiomatic) nonstop, 24 hours per day.

(idiomatic) Alternative form of round-the-clock.

A variant of the game of darts in which players attempt to hit each section of the dartboard sequentially, from lowest to highest number.

continuous; incessant; without interruption; all day long, 24 hours per day; nonstop: from the concept that it happens while the hands of the clock go all the way around.