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  2. Military time zone - Wikipedia

    en.wikipedia.org/wiki/Military_time_zone

    Time zone name Degrees longitude Designation letter Zone description Offset Alfa Time Zone 7.5 E to 22.5 E A: −1 UTC+01:00: Bravo Time Zone 22.5 E to 37.5 E B: −2 UTC+02:00: Charlie Time Zone 37.5 E to 52.5 E C: −3 UTC+03:00: Delta Time Zone 52.5 E to 67.5 E D: −4 UTC+04:00: Echo Time Zone 67.5 E to 82.5 E E: −5 UTC+05:00: Foxtrot ...

  3. Military designation of days and hours - Wikipedia

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

    H-Hour. The specific time at which an operation or exercise commences, or is due to commence (this term is used also as a reference for the designation of days/hours before or after the event). (NATO); also known as 'Zero Hour'. I-Day. Used informally within the U.S. military bureaucracy to variously designate the "Implementation Day" or the ...

  4. 24-hour clock - Wikipedia

    en.wikipedia.org/wiki/24-hour_clock

    Military time zones are lettered and given word designations from the NATO phonetic alphabet. For example, in US Eastern Standard Time (UTC−5), which is designated time zone R, 2:00 a.m. is written "0200R" and spoken "zero two hundred Romeo". Local time is designated as zone J or "Juliett". "1200J" ("twelve hundred Juliett") is noon local time.

  5. Uniformed services pay grades of the United States - Wikipedia

    en.wikipedia.org/wiki/Uniformed_services_pay...

    Pay grades are divided into three groups: [1] enlisted (E), warrant officer (W), and officer (O). Enlisted pay grades begin at E-1 and end at E-9; warrant officer pay grades originate at W-1 and terminate at W-5; and officer pay grades start at O-1 and finish at O-10. [a] Not all of the uniformed services use all of the grades; for example, the ...

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

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

    The 24-hour clock is used in military, public safety, and scientific contexts in the United States. It is best known for its use by the military and is therefore commonly called "military time". In U.S. military use, 24-hour time is traditionally written without a colon (1800 instead of 18:00).

  7. Milliradian - Wikipedia

    en.wikipedia.org/wiki/Milliradian

    arcminutes. 54. /. 5 π ≈ 3.4377′. A milliradian ( SI -symbol mrad, sometimes also abbreviated mil) is an SI derived unit for angular measurement which is defined as a thousandth of a radian (0.001 radian). Milliradians are used in adjustment of firearm sights by adjusting the angle of the sight compared to the barrel (up, down, left, or ...

  8. Date-time group - Wikipedia

    en.wikipedia.org/wiki/Date-time_group

    In US military messages and communications (e.g., on maps showing troop movements) the format is DD HHMM (SS) Z MON YY. Although occasionally seen with spaces, it can also be written as a single string of characters. Three different formats can be found: DDHHMMSSZmmmYY - Full time (used for software timestamps)

  9. List of UTC offsets - Wikipedia

    en.wikipedia.org/wiki/List_of_UTC_offsets

    List of UTC offsets. This is a list of the UTC time offsets, showing the difference in hours and minutes from Coordinated Universal Time (UTC), from the westernmost (−12:00) to the easternmost (+14:00). It includes countries and regions that observe them during standard time or year-round.

  10. United States customary units - Wikipedia

    en.wikipedia.org/wiki/United_States_customary_units

    United States customary units. United States customary units (often incorrectly referred to as imperial units) [1] form a system of measurement units commonly used in the United States and most U.S. territories, [2] since being standardized and adopted in 1832. [3] The United States customary system developed from English units that were in use ...

  11. List of military time zones - Wikipedia

    en.wikipedia.org/?title=List_of_military_time...

    Language links are at the top of the page across from the title.