Date

In metadata, the term date is a representation term used to specify a calendar date in the Gregorian calendar. Many data representation standards such as XML, XML Schema, Web Ontology Language specify that ISO date format ISO 8601 should be used.

Note that Date should not be confused with the DateAndTime representation term which requires that both the date and time to be supplied.

Metadata registries that use the date representation term

• NIEM
• ebXML
• GJXDM

See also

• metadata
• ISO/IEC 11179
• Representation term
• ISO 8601

v • d • e Time measurement and standards Major subjects Time · Chronometry · Orders of magnitude · Metrology Time Portal International standards UTC · UT · TAI · ISO 31-1 · DUT1 · Leap second · IERS · Terrestrial Time · Geocentric Coordinate Time · Barycentric Coordinate Time · Civil time · 12-hour clock · 24-hour clock · ISO 8601 · International Date Line · Solar time · Time zone · Daylight saving time · Time offset Obsolete standards Ephemeris time · Barycentric Dynamical Time · Greenwich Mean Time · Prime Meridian Time in physics Spacetime · Chronon · Cosmological decade · Planck epoch · Planck time · T-symmetry · Theory of relativity · Time dilation · Gravitational time dilation · Coordinate time · Proper time · Time domain · Continuous time · Discrete time · Absolute time and space Horology Clock · Astrarium · Atomic clock · Hourglass · Marine chronometer · Radio clock · Sundial · Watch · Water clock · History of timekeeping devices · Equation of time · Complication Calendar Astronomical · Julian · Gregorian · Islamic · Lunisolar · Solar · Lunar · Epact · Intercalation · Leap year · Tropical year · Equinox · Solstice · Seven-day week · Week-day names · Calculating the day of the week · Dominical letter Archaeology & geology International Commission on Stratigraphy · Geologic Time · Archaeological dating Astronomical chronology Nuclear time scale · Precession · Sidereal time · Galactic year Units of time Second · Minute · Hour · Day · Week · Fortnight · Month · Year · Decade · Century · Millennium · Jiffy · Lustrum · Saeculum · Shake · Tide Related topics Chronology · Duration · System time · Metric time · Mental chronometry · Time value of money · Timekeeper

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