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  2. Countdown - Wikipedia

    en.wikipedia.org/wiki/Countdown

    The L-minus clock, a mechanical countdown to the time of launch (L−0). Except for the last few minutes, which are highly automated and rigid, scheduled activities rarely take exactly the scheduled time, and the T-minus clock only corresponds approximately to the time until launch.

  3. Technology of the New York City Subway - Wikipedia

    en.wikipedia.org/wiki/Technology_of_the_New_York...

    The countdown clocks would use either existing and new Siemens tricolor LED displays like the ones on the A Division and across scattered parts of the B Division, or new multicolor LCD display like the ones on the Broadway Line. [157] The R was the first mainline B Division route to receive countdown clocks along its entire length in July 2017.

  4. Timer - Wikipedia

    en.wikipedia.org/wiki/Timer

    A typical kitchen timer. A timer or countdown timer is a type of clock that starts from a specified time duration and stops upon reaching 00:00. An example of a simple timer is an hourglass. Commonly, a timer triggers an alarm when it ends. A timer can be implemented through hardware or software.

  5. US to hit debt ceiling Tuesday, starting Congress’ countdown clock. Tami Luhby, CNN. January 17, 2025 at 5:17 PM.

  6. MTA Bus Time - Wikipedia

    en.wikipedia.org/wiki/MTA_Bus_Time

    The Bus Time smartphone interface during its Manhattan launch on October 7, 2013 The Bus Time console installed in a bus behind the driver's seat. MTA Bus Time, stylized as BusTime, is a Service Interface for Real Time Information, automatic vehicle location (AVL), and passenger information system provided by the Metropolitan Transportation Authority (MTA) of New York City for customers of its ...

  7. Play clock - Wikipedia

    en.wikipedia.org/wiki/Play_clock

    A play clock, also called a delay-of-game timer, is a countdown clock intended to speed up the pace of the game in gridiron football.The offensive team must put the ball in play by either snapping the ball during a scrimmage down or kicking the ball during a free kick down before the time expires, or else they will be assessed a 5-yard delay of game (American football) or time count violation ...