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  2. Minute and second of arc - Wikipedia

    en.wikipedia.org/wiki/Minute_and_second_of_arc

    Minutes (′) and seconds (″) of arc are also used in cartography and navigation. At sea level one minute of arc along the equator equals exactly one geographical mile (not to be confused with international mile or statute mile) along the Earth's equator or approximately one nautical mile (1,852 metres; 1.151 miles). [14]

  3. Doomsday Clock - Wikipedia

    en.wikipedia.org/wiki/Doomsday_Clock

    The Clock was moved to 150 seconds (2 minutes, 30 seconds) in 2017, then forward to 2 minutes to midnight in January 2018, and left unchanged in 2019. [6] In January 2020, it was moved forward to 100 seconds (1 minute, 40 seconds) before midnight. [ 7 ]

  4. 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

  5. Minute - Wikipedia

    en.wikipedia.org/wiki/Minute

    Minute is a unit of time defined as equal to 60 seconds. [1] One hour contains 60 minutes. [2] Although not a unit in the International System of Units (SI), the minute is accepted for use in the SI. [1] The SI symbol for minutes is min (without a dot). The prime symbol ′ is also sometimes used informally to denote minutes. [3]

  6. 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 ...

  7. 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 ...

  8. Hexadecimal time - Wikipedia

    en.wikipedia.org/wiki/Hexadecimal_time

    The day is divided into 10 16 (16 10) hexadecimal hours, each hour into 100 16 (256 10) hexadecimal minutes, ... (16 10) hexadecimal seconds. History

  9. 4′33″ - Wikipedia

    en.wikipedia.org/wiki/4′33″

    At the end of each sentence, there is information about each movement's duration in minutes and seconds; these are: 'I = 30 seconds', 'II = 2 minutes 23 seconds' and 'III = 1 minute 40 seconds'. [67] Tudor commented: "It's important that you read the score as you're performing it, so there are these pages you use. So you wait, and then turn the ...