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24-hour clock

Index 24-hour clock

The 24-hour clock is the convention of time keeping in which the day runs from midnight to midnight and is divided into 24 hours, indicated by the hours passed since midnight, from 0 to 23. [1]

60 relations: BBC, British Rail, Canadian Pacific Railway, China, Clock, Colon (punctuation), Common Locale Data Repository, Coordinated Universal Time, Date and time representation by country, Day, Decan, Decimal, Decimal time, East Asia, Eastern Time Zone, Florence Cathedral, Full stop, Greenwich, Greenwich Mean Time, Horology, Hour, International Meridian Conference, International Organization for Standardization, ISO 8601, Kew, Leading zero, Leap second, Lewis Morris Rutherfurd, List of military time zones, Locale (computer software), London Transport (brand), Ls, MacOS, Medical history, Medicine, Metric time, Microsoft Windows, Midnight, NATO phonetic alphabet, Noon, Operating system, Pan American World Airways, Prague, Prague astronomical clock, Qing dynasty, Shepherd Gate Clock, Six-hour clock, Style guide, The National Archives (United Kingdom), The Times, ..., Time, Traditional Chinese timekeeping, United Kingdom, United States Army, United States Navy, Western Airlines, World War I, World War II, 12-hour clock, 24-hour analog dial. Expand index (10 more) »

BBC

The British Broadcasting Corporation (BBC) is a British public service broadcaster.

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British Rail

British Railways (BR), which from 1965 traded as British Rail, was the state-owned company that operated most of the rail transport in Great Britain between 1948 and 1997.

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Canadian Pacific Railway

The Canadian Pacific Railway (CPR), also known formerly as CP Rail between 1968 and 1996, is a historic Canadian Class I railroad incorporated in 1881.

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China

China, officially the People's Republic of China (PRC), is a unitary one-party sovereign state in East Asia and the world's most populous country, with a population of around /1e9 round 3 billion.

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Clock

A clock is an instrument to measure, keep, and indicate time.

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Colon (punctuation)

The colon is a punctuation mark consisting of two equally sized dots centered on the same vertical line.

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Common Locale Data Repository

The Common Locale Data Repository Project, often abbreviated as CLDR, is a project of the Unicode Consortium to provide locale data in the XML format for use in computer applications.

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Coordinated Universal Time

No description.

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Date and time representation by country

Different conventions exist around the world for date and time representation, both written and spoken.

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Day

A day, a unit of time, is approximately the period of time during which the Earth completes one rotation with respect to the Sun (solar day).

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Decan

The decans (Egyptian bakiu) are 36 groups of stars (small constellations) used in the Ancient Egyptian astronomy.

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Decimal

The decimal numeral system (also called base-ten positional numeral system, and occasionally called denary) is the standard system for denoting integer and non-integer numbers.

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Decimal time

Decimal time is the representation of the time of day using units which are decimally related.

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East Asia

East Asia is the eastern subregion of the Asian continent, which can be defined in either geographical or ethno-cultural "The East Asian cultural sphere evolves when Japan, Korea, and what is today Vietnam all share adapted elements of Chinese civilization of this period (that of the Tang dynasty), in particular Buddhism, Confucian social and political values, and literary Chinese and its writing system." terms.

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Eastern Time Zone

The Eastern Time Zone (ET) is a time zone encompassing 17 U.S. states in the eastern part of the contiguous United States, parts of eastern Canada, the state of Quintana Roo in Mexico, Panama in Central America, and the Caribbean Islands.

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Florence Cathedral

Florence Cathedral, formally the Cattedrale di Santa Maria del Fiore (in English "Cathedral of Saint Mary of the Flower") is the cathedral of Florence, Italy, or Il Duomo di Firenze, in Italian.

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Full stop

The full point or full stop (British and broader Commonwealth English) or period (North American English) is a punctuation mark.

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Greenwich

Greenwich is an area of south east London, England, located east-southeast of Charing Cross.

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Greenwich Mean Time

Greenwich Mean Time (GMT) is the mean solar time at the Royal Observatory in Greenwich, London.

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Horology

Horology ("the study of time", related to Latin horologium from Greek ὡρολόγιον, "instrument for telling the hour", from ὥρα hṓra "hour; time" and -o- interfix and suffix -logy) is the study of the measurement of time.

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Hour

An hour (symbol: h; also abbreviated hr.) is a unit of time conventionally reckoned as of a day and scientifically reckoned as 3,599–3,601 seconds, depending on conditions.

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International Meridian Conference

The International Meridian Conference was a conference held in October 1884 in Washington, D.C., in the United States, to determine a prime meridian for international use.

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International Organization for Standardization

The International Organization for Standardization (ISO) is an international standard-setting body composed of representatives from various national standards organizations.

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ISO 8601

ISO 8601 Data elements and interchange formats – Information interchange – Representation of dates and times is an international standard covering the exchange of date- and time-related data.

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Kew

Kew is a suburban district in the London Borough of Richmond upon Thames, north-east of Richmond and west by south-west of Charing Cross; its population at the 2011 Census was 11,436.

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Leading zero

A leading zero is any 0 digit that comes before the first nonzero digit in a number string in positional notation.

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Leap second

A leap second is a one-second adjustment that is occasionally applied to Coordinated Universal Time (UTC) in order to keep its time of day close to the mean solar time as realized by UT1.

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Lewis Morris Rutherfurd

Lewis Morris Rutherfurd (November 25, 1816 – May 30, 1892) was an American lawyer and astronomer, and a pioneering astrophotographer.

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List of military time zones

This is a list of military time zones as defined in the ACP 121(I) standard.

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Locale (computer software)

In computing, a locale is a set of parameters that defines the user's language, region and any special variant preferences that the user wants to see in their user interface.

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London Transport (brand)

London Transport (LT) was the public name and brand used by a series of public transport authorities in London, England, from 1933.

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Ls

In computing, ls is a command to list files in Unix and Unix-like operating systems.

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MacOS

macOS (previously and later) is a series of graphical operating systems developed and marketed by Apple Inc. since 2001.

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Medical history

The medical history or case history of a patient is information gained by a physician by asking specific questions, either of the patient or of other people who know the person and can give suitable information, with the aim of obtaining information useful in formulating a diagnosis and providing medical care to the patient.

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Medicine

Medicine is the science and practice of the diagnosis, treatment, and prevention of disease.

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Metric time

Metric time is the measure of time interval using the metric system, which defines the second as the base unit of time, and multiple and submultiple units formed with metric prefixes, such as kiloseconds and milliseconds.

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Microsoft Windows

Microsoft Windows is a group of several graphical operating system families, all of which are developed, marketed, and sold by Microsoft.

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Midnight

Midnight is the transition time from one day to the next – the moment when the date changes.

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NATO phonetic alphabet

The NATO phonetic alphabet, officially denoted as the International Radiotelephony Spelling Alphabet, and also commonly known as the ICAO phonetic alphabet, and in a variation also known officially as the ITU phonetic alphabet and figure code, is the most widely used radiotelephone spelling alphabet.

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Noon

Noon (also midday or noon time) is 12 o'clock in the daytime, as opposed to midnight.

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Operating system

An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs.

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Pan American World Airways

Pan American World Airways, originally founded as Pan American Airways and commonly known as Pan Am, was the principal and largest international air carrier in the United States from 1927 until its collapse on December 4, 1991.

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Prague

Prague (Praha, Prag) is the capital and largest city in the Czech Republic, the 14th largest city in the European Union and also the historical capital of Bohemia.

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Prague astronomical clock

The Prague astronomical clock, or Prague orloj (Pražský orloj), is a medieval astronomical clock located in Prague, the capital of the Czech Republic.

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Qing dynasty

The Qing dynasty, also known as the Qing Empire, officially the Great Qing, was the last imperial dynasty of China, established in 1636 and ruling China from 1644 to 1912.

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Shepherd Gate Clock

The Shepherd Gate Clock is mounted on the wall outside the gate of the Royal Greenwich Observatory building in Greenwich, Greater London.

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Six-hour clock

The six-hour clock is a traditional timekeeping system used in the Thai and formerly the Lao language and the Khmer language, alongside the official 24-hour clock.

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Style guide

A style guide (or manual of style) is a set of standards for the writing and design of documents, either for general use or for a specific publication, organization, or field.

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The National Archives (United Kingdom)

The National Archives (TNA) is a non-ministerial government department.

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The Times

The Times is a British daily (Monday to Saturday) national newspaper based in London, England.

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Time

Time is the indefinite continued progress of existence and events that occur in apparently irreversible succession from the past through the present to the future.

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Traditional Chinese timekeeping

The traditional Chinese time systems refers to the time standards for divisions of the day used in China until the introduction of the Shixian calendar at the beginning of the Qing dynasty.

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United Kingdom

The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain,Usage is mixed with some organisations, including the and preferring to use Britain as shorthand for Great Britain is a sovereign country in western Europe.

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United States Army

The United States Army (USA) is the land warfare service branch of the United States Armed Forces.

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United States Navy

The United States Navy (USN) is the naval warfare service branch of the United States Armed Forces and one of the seven uniformed services of the United States.

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Western Airlines

Western Airlines was a large airline based in California, with operations throughout the western United States including Alaska and Hawaii, and western Canada, as well as to New York City, Boston, Washington D.C. and Miami on the U.S. east coast and also into Mexico.

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World War I

World War I (often abbreviated as WWI or WW1), also known as the First World War, the Great War, or the War to End All Wars, was a global war originating in Europe that lasted from 28 July 1914 to 11 November 1918.

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World War II

World War II (often abbreviated to WWII or WW2), also known as the Second World War, was a global war that lasted from 1939 to 1945, although conflicts reflecting the ideological clash between what would become the Allied and Axis blocs began earlier.

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12-hour clock

The 12-hour clock is a time convention in which the 24 hours of the day are divided into two periods: "The use of AM or PM to designate either noon or midnight can cause ambiguity.

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24-hour analog dial

Clocks and watches with a 24-hour analog dial have an hour hand that makes one complete revolution, 360°, in a day (24 hours per revolution).

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Redirects here:

24 hour, 24 hour clock, 24 hour clocks, 24 hour time, 24-hour, 24-hour clocks, 24-hour format, 24-hour notation, 24-hour system, 24-hour time, Army time, Astronomical time, Military Time, Military time, Twenty four hour clock, Twenty-four hour clock, Twenty-four-hour clock.

References

[1] https://en.wikipedia.org/wiki/24-hour_clock

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