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  2. Metric time - Wikipedia

    en.wikipedia.org/wiki/Metric_time

    10 2: hectosecond: 100: 1.67 minutes (or 1 minute 40 seconds) 10 3: kilosecond: 1 000: 16.7 minutes (or 16 minutes and 40 seconds) 10 6: megasecond: 1 000 000: 11.6 days (or 11 days, 13 hours, 46 minutes and 40 seconds) 10 9: gigasecond: 1 000 000 000: 31.7 years (or 31 years, 252 days, 1 hour, 46 minutes, 40 seconds, assuming that there are 7 ...

  3. Play clock - Wikipedia

    en.wikipedia.org/wiki/Play_clock

    In amateur American football, teams have 25 seconds from the time the ball is declared ready for play, usually by a whistle blown by the referee. [citation needed] In the NFL, teams have 40 seconds timed from the end of the previous down. A 25 second play clock will be used if there is a: change of possession, a timeout, the two-minute warning,

  4. Second - Wikipedia

    en.wikipedia.org/wiki/Second

    10 seconds 10 −2 s cs centisecond 10 2 s hs hectosecond 1 minute, 40 seconds 10 −3 s ms millisecond: 10 3 s ks kilosecond 16 minutes, 40 seconds 10 −6 s μs microsecond: 10 6 s Ms megasecond 1 week, 4 days, 13 hours, 46 minutes, 40 seconds 10 −9 s ns nanosecond: 10 9 s Gs gigasecond 31.7 years 10 −12 s ps picosecond: 10 12 s Ts ...

  5. Orders of magnitude (time) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(time)

    single seconds (1 das = 10 s) 6 das: One minute (min), the time it takes a second hand to cycle around a clock face 10 2: hectosecond hs minutes (1 hs = 1 min 40 s = 100 s) 2 hs (3 min 20 s): The average length of the most popular YouTube videos as of January 2017 [15] 5.55 hs (9 min 12 s): The longest videos in the above study

  6. 4′33″ - Wikipedia

    en.wikipedia.org/wiki/4′33″

    It is divided into three movements, [c] lasting 30 seconds, two minutes and 23 seconds, and one minute and 40 seconds, respectively, [d] although Cage later stated that the movements' durations can be determined by the musician. As suggested by the title, the composition lasts four minutes and 33 seconds.

  7. Unit of time - Wikipedia

    en.wikipedia.org/wiki/Unit_of_time

    1.44 minutes, or 86.4 seconds. Also marketed as a ".beat" by the Swatch corporation. moment: 1/40 solar hour (90 s on average) Medieval unit of time used by astronomers to compute astronomical movements, length varies with the season. [4] Also colloquially refers to a brief period of time. centiday 0.01 d (1 % of a day) 14.4 minutes, or 864 ...

  8. Shot clock - Wikipedia

    en.wikipedia.org/wiki/Shot_clock

    30 seconds Canoe polo: ICF: 60 seconds Ten-pin bowling: PBA: 25 seconds (only used on TV) Korfball: IKF: 25 seconds Tennis: ITF: 25 seconds Snooker: Snooker Shoot Out: 15 seconds (first five minutes) 10 seconds (last five minutes) Carom billiards (three-cushion billiards) World Championship; European Championship; World Cup; 40 seconds [26] (3 ...

  9. Countdown - Wikipedia

    en.wikipedia.org/wiki/Countdown

    Seven seconds after launch of STS-121, the countdown clock at LC-39 at the Kennedy Space Center seen counting up, rather than down. In the context of a rocket launch, the "L minus Time" is the physical time before launch, e.g. "L minus 3 minutes and 40 seconds".