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Format (12 or 24 hours) [ edit ] You can set the format parameter to 12 or 24 to get a 12 or 24 hour time format! 12 hour clocks get an additional segment space for displaying am/pm.
This system, as opposed to the 12-hour clock, is the most commonly used time notation in the world today, [A] and is used by the international standard ISO 8601. [1] A number of countries, particularly English speaking, use the 12-hour clock, or a mixture of the 24- and 12-hour time systems.
Fixed several countries, mostly in Oceania. Australia, PNG, NZ and the Pacific Islands all use 12-hour time (except in some exceptional cases e.g flight times) 12:12, 7 May 2024: 2,754 × 1,398 (1.05 MB) Amiria703: Iran (IR) changed to 24 hour (12 hour orally) 21:05, 10 December 2022: 2,754 × 1,398 (1.05 MB) Getsnoopy
Whether the 24-hour clock, 12-hour clock, or 6-hour clock is used. Whether the minutes (or fraction of an hour) after the previous hour or until the following hour is used in spoken language. The punctuation used to separate elements in all-numeric dates and times. Which days are considered the weekend.
The 24-hour clock is used in military, public safety, and scientific contexts in the United States. [4] 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).
Digital clocks typically use the 50 or 60 hertz oscillation of AC power or a 32,768 hertz crystal oscillator as in a quartz clock to keep time. Most digital clocks display the hour of the day in 24-hour format; in the United States and a few other countries, a commonly used hour sequence option is 12-hour format (with some indication of AM or PM).
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Even in those countries where the 12-hour clock is predominant, there are frequently contexts (such as science, medicine, the military or transport) in which the 24-hour clock is preferred. In most countries, however, the 24-hour clock is the standard system used, especially in writing. Some nations in Europe and Latin America use a combination ...