ISO 8601
E18759
ISO 8601 is an international standard that defines a consistent, unambiguous format for representing dates, times, and related data in numeric form.
Observed surface forms (2)
| Surface form | Occurrences |
|---|---|
| ISO 8601 date representations | 1 |
| ISO 8601 time format | 1 |
Statements (61)
| Predicate | Object |
|---|---|
| instanceOf |
date and time representation standard
ⓘ
international standard ⓘ |
| aimsTo |
avoid ambiguity in date and time representations
ⓘ
facilitate international communication of date and time data ⓘ |
| appliesTo |
computer systems
ⓘ
data interchange ⓘ documentation ⓘ electronic communication ⓘ |
| defines |
24-hour time notation
ⓘ
UTC time representation ⓘ basic format ⓘ calendar date representation ⓘ combined date and time representation ⓘ date format ⓘ date-time format ⓘ duration format ⓘ extended format ⓘ local time representation ⓘ offset from UTC representation ⓘ ordinal date format ⓘ recurring time interval format ⓘ time format ⓘ time interval format ⓘ time zone designator format ⓘ week date format ⓘ |
| influenced | RFC 3339 ⓘ |
| languageIndependent | true ⓘ |
| maintainedBy | International Organization for Standardization ⓘ |
| orderingPrinciple | largest time unit to smallest time unit ⓘ |
| recommends |
left-zero padding of numeric components
ⓘ
year-month-day order for dates ⓘ |
| scriptIndependent | true ⓘ |
| shortName | ISO 8601 self-link ⓘ |
| specifies |
HH:MM:SS time format
ⓘ
YYYY-MM-DD date format ⓘ YYYY-MM-DDThh:mm:ss date-time format ⓘ duration format starting with P ⓘ four-digit year representation ⓘ fractional seconds representation ⓘ leading zero usage in dates and times ⓘ ordinal date format YYYY-DDD ⓘ time interval representation using solidus / ⓘ time zone offset format ±hh:mm ⓘ two-digit day representation ⓘ two-digit hour representation ⓘ two-digit minute representation ⓘ two-digit month representation ⓘ two-digit second representation ⓘ use of the letter T as date-time separator ⓘ use of the letter Z for UTC ⓘ week date format YYYY-Www-D ⓘ week numbering system ⓘ week starting on Monday ⓘ |
| title | Data elements and interchange formats — Information interchange — Representation of dates and times ⓘ |
| usedBy |
databases
ⓘ
file formats ⓘ many internet protocols ⓘ web APIs ⓘ |
| usesCalendar |
Gregorian calendar (Western churches)
ⓘ
surface form:
Gregorian calendar
|
| usesNotation |
24-hour clock
ⓘ
numeric date representation ⓘ |
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
ISO 8601 time format
this entity surface form:
ISO 8601 date representations