"twenty-four hour clock" meaning in English

See twenty-four hour clock in All languages combined, or Wiktionary

Noun

Forms: twenty-four hour clocks [plural]
Head templates: {{en-noun}} twenty-four hour clock (plural twenty-four hour clocks)
  1. Alternative form of 24-hour clock. Tags: alt-of, alternative Alternative form of: 24-hour clock
    Sense id: en-twenty-four_hour_clock-en-noun-HfPGqEDN Categories (other): English entries with incorrect language header, Pages with 1 entry, Pages with entries

Inflected forms

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  "lang_code": "en",
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          "ref": "1893, “Time and Its Landmarks”, in J. C. Thomas, editor, Manual of Useful Information […] (The Working Teachers’ Library; V), Chicago, Ill.: The Werner Company, →OCLC, page 41:",
          "text": "Twenty-four hour clock time is gaining in favor.",
          "type": "quote"
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          "ref": "1899 February 23, Fred J. Miller, editor, American Machinist: A Practical Journal of Machine Construction, volume XXII, number 8, New York, N.Y.: American Machinist Press, →ISSN, →OCLC, page 33-157, column 3:",
          "text": "The American Society of Civil Engineers recently announced a meeting of the society to occur at their house in New York at 20.30 o'clock, thus springing the twenty-four hour clock system upon those who wished to attend, and causing some inquiries and explanations as to the time intended. Commodore Melville, who was to be present, was one of those who had to inquire and to be informed that 8.30 P. M. was intended.",
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          "ref": "1942, Harold E. Baughman, “Civil Air Communications: Reprinted from Manual of Operations: Chapter B—Communications Section”, in Baughman’s Aviation Dictionary and Reference Guide […], 2nd edition, Los Angeles, Calif.: Aero Publishers, →OCLC, paragraphs B5.1072–B5.10720, page 363:",
          "text": "Time shall be stated in exactly four figures utilizing the twenty-four clock basis. […] Midnight is 0000, never 2400. The last hour of the twenty-four hour clock day begins at 2300. The last minute of the hour begins at 2359 and ends at 0000, which is the beginning of the first minute ending at 0001 of the first hour of the next day.",
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          "ref": "1989, Jane Briehl, “Thirty-eight Activity Cards [Minute Math Card #2: The Twenty-four Hour Clock!]”, in All about Time: Curriculum-based Activities for Telling Time & Much More!: Grades 4–6, [Napanee, Ont.]: S & S Learning Materials, →ISBN, page 23:",
          "text": "The twenty-four hour clock is used by railroads, airports and the military because there is no need to add a.m. or p.m. The number on the clock immediately tells you if it is before or after noon. Eight thirty in the morning would be 08:30. Eight thirty at night would be 20:30.",
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          "ref": "2024, Bernard K. Means, “Ring-shaped Settlements and Exploratory Circular Statistics: A Graphical Approach”, in Martin Menz, Analise Hollingshead, Haley Messer, editors, The Archaeology of Arcuate Communities: Spatial Patterning and Settlement in the Eastern Woodlands (A Dan Josselyn Memorial Publication), Tuscaloosa, Ala.: University of Alabama Press, →ISBN, part II (Organizing Principles of Arcuate Communities), page 95:",
          "text": "With circular or directional data, there is no true zero. The lowest value in a circular distribution is the same as its highest value. Common examples cited to illustrate this point are twenty-four hour clocks and twelve-month calendars.",
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          "ref": "1899 February 23, Fred J. Miller, editor, American Machinist: A Practical Journal of Machine Construction, volume XXII, number 8, New York, N.Y.: American Machinist Press, →ISSN, →OCLC, page 33-157, column 3:",
          "text": "The American Society of Civil Engineers recently announced a meeting of the society to occur at their house in New York at 20.30 o'clock, thus springing the twenty-four hour clock system upon those who wished to attend, and causing some inquiries and explanations as to the time intended. Commodore Melville, who was to be present, was one of those who had to inquire and to be informed that 8.30 P. M. was intended.",
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          "text": "Time shall be stated in exactly four figures utilizing the twenty-four clock basis. […] Midnight is 0000, never 2400. The last hour of the twenty-four hour clock day begins at 2300. The last minute of the hour begins at 2359 and ends at 0000, which is the beginning of the first minute ending at 0001 of the first hour of the next day.",
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          "text": "The twenty-four hour clock is used by railroads, airports and the military because there is no need to add a.m. or p.m. The number on the clock immediately tells you if it is before or after noon. Eight thirty in the morning would be 08:30. Eight thirty at night would be 20:30.",
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          "bold_text_offsets": [
            [
              187,
              210
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          "text": "With circular or directional data, there is no true zero. The lowest value in a circular distribution is the same as its highest value. Common examples cited to illustrate this point are twenty-four hour clocks and twelve-month calendars.",
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This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2025-07-20 from the enwiktionary dump dated 2025-07-01 using wiktextract (45c4a21 and f1c2b61). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.

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