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ISO 8601

Index 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. [1]

80 relations: Anno Domini, Arabic numerals, ASCII, Astronomical year numbering, Berlin, Calendar date, Century, Character (computing), Chinese calendar correspondence table, Colon (punctuation), Combined Communications-Electronics Board, Comma, Common Era, Coordinated Universal Time, Date and time representation by country, Daylight saving time, Decimal, Decimal separator, Electronic program guide, Email, European Committee for Standardization, Filename, Full stop, GeneralizedTime, Greenwich Mean Time, Gregorian calendar, Hour, Hyphen, ID3, International Organization for Standardization, International standard, Internet, Internet Engineering Task Force, Internet protocol suite, Internet Standard, ISO 2014, ISO 2015, ISO 2711, ISO 3307, ISO 4031, ISO week date, Julian calendar, Julian day, Leading zero, Leap second, Leap year, Lexicographical order, List of International Organization for Standardization technical committees, List of military time zones, List of UTC time offsets, ..., List of XML and HTML character entity references, Metre Convention, Midnight, Minute, Modular arithmetic, National Institute of Standards and Technology, Nautical time, New York City, Ordinal date, Paris, Plus and minus signs, Proleptic Gregorian calendar, Second, Significant figures, Slash (punctuation), Sorting, Time, Time zone, Unicode, Universal Time, UTC offset, UTC−05:00, Week, Wiley-VCH, World Wide Web Consortium, X.690, Year 10,000 problem, Year 2000 problem, Year zero, 24-hour clock. Expand index (30 more) »

Anno Domini

The terms anno Domini (AD) and before Christ (BC) are used to label or number years in the Julian and Gregorian calendars.

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Arabic numerals

Arabic numerals, also called Hindu–Arabic numerals, are the ten digits: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, based on the Hindu–Arabic numeral system, the most common system for the symbolic representation of numbers in the world today.

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ASCII, abbreviated from American Standard Code for Information Interchange, is a character encoding standard for electronic communication.

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Astronomical year numbering

Astronomical year numbering is based on AD/CE year numbering, but follows normal decimal integer numbering more strictly.

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Berlin is the capital and the largest city of Germany, as well as one of its 16 constituent states.

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Calendar date

A calendar date is a reference to a particular day represented within a calendar system.

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A century (from the Latin centum, meaning one hundred; abbreviated c.) is a period of 100 years.

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Character (computing)

In computer and machine-based telecommunications terminology, a character is a unit of information that roughly corresponds to a grapheme, grapheme-like unit, or symbol, such as in an alphabet or syllabary in the written form of a natural language.

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Chinese calendar correspondence table

The Chinese calendar correspondence table shows the stem/branch year names, correspondences to the Western (Gregorian) calendar, and other related information for the current, 79th Sexagenary cycle of the Chinese calendar (or the 78th cycle if an epoch of 2637 BC is accepted).

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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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Combined Communications-Electronics Board

The Combined Communications-Electronics Board (CCEB) is a five-nation joint military communications-electronics (C-E) organisation whose mission is the coordination of any military C-E matter that is referred to it by a member nation.

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The comma is a punctuation mark that appears in several variants in different languages.

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Common Era

Common Era or Current Era (CE) is one of the notation systems for the world's most widely used calendar era – an alternative to the Dionysian AD and BC system.

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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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Daylight saving time

Daylight saving time (abbreviated DST), sometimes referred to as daylight savings time in U.S., Canadian, and Australian speech, and known as summer time in some countries, is the practice of advancing clocks during summer months so that evening daylight lasts longer, while sacrificing normal sunrise times.

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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 separator

A decimal separator is a symbol used to separate the integer part from the fractional part of a number written in decimal form.

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Electronic program guide

Electronic program guides (EPGs) and interactive program guides (IPGs) are menu-based systems that provide users of television, radio and other media applications with continuously updated menus displaying broadcast programming (TV listings in the UK) or scheduling information for current and upcoming programming.

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Electronic mail (email or e-mail) is a method of exchanging messages ("mail") between people using electronic devices.

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European Committee for Standardization

The European Committee for Standardization (CEN, Comité Européen de Normalisation) is a public standards organization whose mission is to foster the economy of the European Union (EU) in global trading, the welfare of European citizens and the environment by providing an efficient infrastructure to interested parties for the development, maintenance and distribution of coherent sets of standards and specifications.

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A filename (also written as two words, file name) is a name used to uniquely identify a computer file stored in a file system.

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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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A GeneralizedTime is a time format in the ASN.1 notation.

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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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Gregorian calendar

The Gregorian calendar is the most widely used civil calendar in the world.

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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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The hyphen (‐) is a punctuation mark used to join words and to separate syllables of a single word.

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ID3 is a metadata container most often used in conjunction with the MP3 audio file format.

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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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International standard

International standards are standards developed by international standards organizations.

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The Internet is the global system of interconnected computer networks that use the Internet protocol suite (TCP/IP) to link devices worldwide.

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Internet Engineering Task Force

The Internet Engineering Task Force (IETF) develops and promotes voluntary Internet standards, in particular the standards that comprise the Internet protocol suite (TCP/IP).

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Internet protocol suite

The Internet protocol suite is the conceptual model and set of communications protocols used on the Internet and similar computer networks.

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Internet Standard

In computer network engineering, an Internet Standard is a normative specification of a technology or methodology applicable to the Internet.

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ISO 2014

ISO 2014 is an international standard that was issued in April 1976, and superseded by ISO 8601 in June 1988.

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ISO 2015

ISO 2015 is a standard of the International Organization for Standardization (ISO), superseded by ISO standard ISO 8601.

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ISO 2711

ISO 2711 is an ISO standard describing formats for ordinal dates.

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ISO 3307

ISO 3307 is an international standard for date and time representations issued by the International Organization for Standardization (ISO).

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ISO 4031

ISO 4031 is an international standard first issued in 1978 by the International Organization for Standardization.

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ISO week date

The ISO week date system is effectively a leap week calendar system that is part of the ISO 8601 date and time standard issued by the International Organization for Standardization (ISO) since 1988 (last revised in 2004) and, before that, it was defined in ISO (R) 2015 since 1971.

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Julian calendar

The Julian calendar, proposed by Julius Caesar in 46 BC (708 AUC), was a reform of the Roman calendar.

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Julian day

Julian day is the continuous count of days since the beginning of the Julian Period and is used primarily by astronomers.

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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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Leap year

A leap year (also known as an intercalary year or bissextile year) is a calendar year containing one additional day (or, in the case of lunisolar calendars, a month) added to keep the calendar year synchronized with the astronomical or seasonal year.

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Lexicographical order

In mathematics, the lexicographic or lexicographical order (also known as lexical order, dictionary order, alphabetical order or lexicographic(al) product) is a generalization of the way words are alphabetically ordered based on the alphabetical order of their component letters.

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List of International Organization for Standardization technical committees

This is a list of ISO Technical Committees.

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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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List of UTC time 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).

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List of XML and HTML character entity references

In SGML, HTML and XML documents, the logical constructs known as character data and attribute values consist of sequences of characters, in which each character can manifest directly (representing itself), or can be represented by a series of characters called a character reference, of which there are two types: a numeric character reference and a character entity reference.

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Metre Convention

The Metre Convention (Convention du Mètre), also known as the Treaty of the Metre, is an international treaty that was signed in Paris on 20 May 1875 by representatives of 17 nations (Argentina, Austria-Hungary, Belgium, Brazil, Denmark, France, Germany, Italy, Peru, Portugal, Russia, Spain, Sweden and Norway, Switzerland, Turkey, United States of America, and Venezuela).

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

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The minute is a unit of time or angle.

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Modular arithmetic

In mathematics, modular arithmetic is a system of arithmetic for integers, where numbers "wrap around" upon reaching a certain value—the modulus (plural moduli).

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National Institute of Standards and Technology

The National Institute of Standards and Technology (NIST) is one of the oldest physical science laboratories in the United States.

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Nautical time

Nautical time refers to the systems used by ships on high seas to express their local time.

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New York City

The City of New York, often called New York City (NYC) or simply New York, is the most populous city in the United States.

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Ordinal date

An ordinal date is a calendar date typically consisting of a year and a day of year ranging between 1 and 366 (starting on January 1), though year may sometimes be omitted.

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Paris is the capital and most populous city of France, with an area of and a population of 2,206,488.

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Plus and minus signs

The plus and minus signs (+ and −) are mathematical symbols used to represent the notions of positive and negative as well as the operations of addition and subtraction.

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Proleptic Gregorian calendar

The proleptic Gregorian calendar is produced by extending the Gregorian calendar backward to dates preceding its official introduction in 1582.

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The second is the SI base unit of time, commonly understood and historically defined as 1/86,400 of a day – this factor derived from the division of the day first into 24 hours, then to 60 minutes and finally to 60 seconds each.

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Significant figures

The significant figures (also known as the significant digits) of a number are digits that carry meaning contributing to its measurement resolution.

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Slash (punctuation)

The slash is an oblique slanting line punctuation mark.

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Sorting is any process of arranging items systematically, and has two common, yet distinct meanings.

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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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Time zone

A time zone is a region of the globe that observes a uniform standard time for legal, commercial, and social purposes.

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Unicode is a computing industry standard for the consistent encoding, representation, and handling of text expressed in most of the world's writing systems.

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Universal Time

Universal Time (UT) is a time standard based on Earth's rotation.

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UTC offset

The UTC offset is the difference in hours and minutes from Coordinated Universal Time (UTC) for a particular place and date.

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UTC−05:00 is a time offset that subtracts five hours from Coordinated Universal Time (UTC).

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A week is a time unit equal to seven days.

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Wiley-VCH is a German publisher owned by John Wiley & Sons.

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World Wide Web Consortium

The World Wide Web Consortium (W3C) is the main international standards organization for the World Wide Web (abbreviated WWW or W3).

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X.690 is an ITU-T standard specifying several ASN.1 encoding formats.

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Year 10,000 problem

The Year 10,000 problem (also known as the Y10K problem or the deca-millennium bug) is the class of all potential time formatting and storage bugs that would emerge when the need to express years with five digits arises.

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Year 2000 problem

The Year 2000 problem, also known as the Y2K problem, the Millennium bug, the Y2K bug, or Y2K, is a class of computer bugs related to the formatting and storage of calendar data for dates beginning in the year 2000.

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Year zero

Year zero does not exist in the Anno Domini system usually used to number years in the Gregorian calendar and in its predecessor, the Julian calendar.

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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.

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Redirects here:

8601, BS EN 28601, BS EN 28601:1992, BS ISO 8601, DIN EN 28601, DIN EN 28601:1993-02, DIN ISO 8601, DIN ISO 8601:2006-09, E DIN ISO 8601-1:2017-02, E DIN ISO 8601-2:2017-02, EDTF (date format), EDTF (time format), EN 28601, EN 28601:1992, EN ISO 8601, Extended Date Time Format, Extended Date/Time Format, Global date format, HH:MM:SS, ISO 8601 usage, ISO 8601-1, ISO 8601-2, ISO 8601:1988, ISO 8601:2000, ISO 8601:2004, ISO Date, ISO Date Format, ISO Standardized Dates, ISO Time, ISO date, ISO date format, ISO dates, ISO time, ISO-8601, ISO/DIS 8601, ISO/DIS 8601-1, ISO/DIS 8601-1:2016, ISO/DIS 8601-2, ISO/DIS 8601-2:2016, ISO/WD 8601, ISO/WD 8601-1, ISO/WD 8601-2, ISO8601, International Date Format, International date, International date format, Iso date, Iso date format, Iso time, Iso8601, RFC 3339, RFC3339, W3C Date time, W3C Datetime, YYYY-MM-DD, YYYYMMDD, YYYYMMDDHHMM.


[1] https://en.wikipedia.org/wiki/ISO_8601

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