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  1. 24-hour clock - Simple English Wikipedia, the free encyclopedia

    Under the 24-hour clock system, the day begins at midnight, 00:00. The last minute of the day begins at 23:59 and ends at 24:00, which is the same as 00:00 of the following day.

  2. 24-hour clock - Math.net

    A 24-hour clock is a way of keeping time that divides a day into 24 hours starting from midnight and ending at midnight. It is the most common way in which time is kept around the world today.

  3. Military Time Chart - The 24 Hour Clock

    On this page, you will find the answers to that and more in great detail, in other words, everything you will ever need to know about military time (or astronomical time), as well as some quick and easy tips …

  4. Live Digital Clock with Seconds - Fullscreen 12/24H Time

    View the exact time with our free online digital clock showing seconds. Features fullscreen mode, 12/24-hour format, and a clean, easy-to-read display.

  5. 12 Hour AM/PM to 24 Hour Clock Time Conversion

    So whenever you need to convert between 12 hour format and 24 hour format, use this 12-hour to 24-hour converter. Simply enter the 12-hour time value into the box on the left and select between ante …

  6. 24-hour clock | Definition, History, Uses, & Facts | Britannica

    Nov 21, 2025 · 24-hour clock, time convention that begins the day at 00:00 and ends at 23:59, although 24:00 can be used to refer to 00:00 of the following day. The 24-hour clock is the international …

  7. 24-Hour Time Format - ByteBloc

    24-Hour Time Format Many places in the world use the 24-hour time format. 24-hour time format is similar regular AM/PM time, except that you keep counting up after you get past 12 PM (noon). So 1 …

  8. 24-hour clock - Wiktionary, the free dictionary

    Oct 26, 2025 · 24 - hour clock (plural 24-hour clocks) A timekeeping convention in which the 24 hours of the day are treated as a single period rather than two sets of 12 hours, with the result that midnight is …

  9. 24 Hour Clock | Chart & Time Conversion Format

    Use our 24 hour clock "military time" learning & conversion tools, real-time clock, & time conversion from 12-hour clock to 24-hour time format.

  10. Military Time: The 24 Hour Clock - timeanddate.com

    Military time uses the 24-hour clock, where the hours of the day are numbered from zero to 23, starting with 00 at midnight. Converting military time to the 12-hour format is simple for the first half of the …