Indeed, players, fans and reporters ran onto the field when the clock first hit zero.

For fans, the biggest difference may be the change that a game undergoes when the clock hits 3:00 each quarter.

Knock on the door when the clock hits half past.

Unfortunately, the clock hits six as they realize this.

"By the time the clock hits 4 o'clock, what can I do?"

When the clock hits 2 in the afternoon, sirens will go off signaling the start of the drill.

If the clock hits zero, the player loses and the game is over unless they can continue.

As the standard clock hit 2400, there was a sharp, anticipatory taking in of breath by all concerned, but nothing happened immediately.

The guys run up to the talent agent, Kelly, just in time before the clock hits five.

They are herded back to their cells the minute the clock hits 8:30.