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  2. 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 ...

  3. Decimal time - Wikipedia

    en.wikipedia.org/wiki/Decimal_time

    Units were either written out in full, or abbreviated. Thus, five hours eighty three minutes decimal might be written as 5 h. 83 m. Even today, "h" is commonly used in France to separate hours and minutes of 24-hour time, instead of a colon, such as 14h00. Midnight was represented in civil records as "ten hours".

  4. Metric time - Wikipedia

    en.wikipedia.org/wiki/Metric_time

    The word "minute" comes from the Latin pars minuta prima, meaning "first small part", and "second" from pars minuta secunda or "second small part". Angular measure also uses sexagesimal units; there, it is the degree that is subdivided into minutes and seconds, while in time, it is the hour.

  5. Hexadecimal time - Wikipedia

    en.wikipedia.org/wiki/Hexadecimal_time

    1 hexadecimal hour = 1000 = 4096 = 1 h 30 min 1 hexadecimal maxime = 100 = 256 = 5 min 37.5 s 1 hexadecimal minute = 10 = 16 = 21.09375 s 1 hexadecimal second = 1 = 1 =

  6. 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]

  7. Military designation of days and hours - Wikipedia

    en.wikipedia.org/wiki/Military_designation_of...

    L-Hour The specific time at which deployment for an operation commences. (US) L-Day For "Landing Day", 1 April 1945, the day Operation Iceberg (the invasion of Okinawa) began. [5] M-Day The day on which mobilization commences or is due to commence. (NATO) N-Day The unnamed day an active duty unit is notified for deployment or redeployment. (US ...

  8. Conversion of units - Wikipedia

    en.wikipedia.org/wiki/Conversion_of_units

    Conversion of units is the ... Once this and the conversion factor for seconds per hour have been multiplied by ... = 20 cubic metres per minute = 20 m 3 /min

  9. Date and time notation in the United States - Wikipedia

    en.wikipedia.org/wiki/Date_and_time_notation_in...

    Times of day from :01 to :29 minutes past the hour are commonly pronounced with the words "after" or "past", for example, 10:17 being "seventeen after ten" or "seventeen past ten". :15 minutes is very commonly called "quarter after" or "quarter past" and :30 minutes universally "half past" the current hour, e.g., 4:30, "half past four".