IANA time zone database

E4894
public domain database software standard time zone database

The IANA time zone database is a globally maintained, authoritative repository of time zone information used by most modern computer systems and software to handle local times and daylight saving rules.

Jump to: Surface forms Statements Referenced by

Observed surface forms (14)

Surface form Occurrences
tz database 20
IANA Time Zone Database project 5
IANA Time Zone Database 2

Statements (48)

Predicate Object
instanceOf public domain database ⓘ
software standard ⓘ
time zone database ⓘ
alsoKnownAs Olson database ⓘ
IANA time zone database ⓘ
surface form: tz database

IANA time zone database ⓘ
surface form: zoneinfo database
authority de facto standard for time zone data ⓘ
contains current time zone information ⓘ
future time zone rule changes ⓘ
historical time zone information ⓘ
coordinatedWith Internet Corporation for Assigned Names and Numbers ⓘ
surface form: ICANN
dataFormat text files ⓘ
zoneinfo binary files ⓘ
distributedAs compiled binary data ⓘ
source code ⓘ
exampleZoneName America/New_York ⓘ
Japan Standard Time ⓘ
surface form: Asia/Tokyo

Europe/London ⓘ
license public domain ⓘ
maintainedBy Internet Assigned Numbers Authority ⓘ
surface form: IANA

Internet Assigned Numbers Authority ⓘ
namingConvention Area/Location ⓘ
originallyMaintainedBy Arthur David Olson ⓘ
Paul Eggert ⓘ
purpose handle daylight saving time rules ⓘ
handle local times ⓘ
provide time zone information ⓘ
relatedStandard RFC 6557 ⓘ
repositoryLocation IANA time zone database self-linksurface differs ⓘ
surface form: IANA time zone database mailing list and distribution site
scope global ⓘ
updated periodically ⓘ
updateTrigger changes in civil timekeeping laws ⓘ
usedBy .NET Framework ⓘ
surface form: .NET

Java ⓘ
JavaScript runtimes ⓘ
Linux distributions ⓘ
MySQL ⓘ
PHP ⓘ
PostgreSQL ⓘ
Python ⓘ
Unix-like operating systems ⓘ
browsers ⓘ
macOS ⓘ
many programming languages ⓘ
most modern computer systems ⓘ
usedFor converting UTC to local time ⓘ
scheduling across time zones ⓘ
timestamp interpretation ⓘ

Referenced by (48)

Full triples — surface form annotated when it differs from this entity's canonical label.

IANA time zone database → alsoKnownAs → IANA time zone database ⓘ
this entity surface form: tz database
IANA time zone database → alsoKnownAs → IANA time zone database ⓘ
this entity surface form: zoneinfo database
Olson database → alsoKnownAs → IANA time zone database ⓘ
this entity surface form: tz database
RFC 6557 → associatedRegistry → IANA time zone database ⓘ
America/Merida → belongsToStandard → IANA time zone database ⓘ
this entity surface form: IANA Time Zone Database (Olson database)
Arthur David Olson → contributedTo → IANA time zone database ⓘ
this entity surface form: IANA time zone database project
Africa/Bujumbura → database → IANA time zone database ⓘ
this entity surface form: IANA Time Zone Database
America/Mexico_City → database → IANA time zone database ⓘ
this entity surface form: tz database
Australia/Sydney → database → IANA time zone database ⓘ
this entity surface form: IANA tz
Europe/London → database → IANA time zone database ⓘ
Pacific/Chatham → database → IANA time zone database ⓘ
this entity surface form: IANA tz
Australia/Sydney → dstRuleDefinedIn → IANA time zone database ⓘ
this entity surface form: IANA tz database
America/Matamoros → governingBody → IANA time zone database ⓘ
this entity surface form: IANA Time Zone Database
Antarctica/Casey → governingBodyForRules → IANA time zone database ⓘ
this entity surface form: IANA Time Zone Database maintainers
America/El_Salvador → ianaDatabaseMaintainer → IANA time zone database ⓘ
this entity surface form: IANA Time Zone Database project
Australia/Lord_Howe → ianaMaintainer → IANA time zone database ⓘ
this entity surface form: IANA Time Zone Database project
Africa/Blantyre → ianaTimeZoneDatabase → IANA time zone database ⓘ
this entity surface form: tz database
America/Belize → ianaTimeZoneDatabase → IANA time zone database ⓘ
this entity surface form: tz database
America/Bogota → ianaTimeZoneDatabase → IANA time zone database ⓘ
this entity surface form: tz database
America/El_Salvador → ianaTimeZoneDatabase → IANA time zone database ⓘ
this entity surface form: tz database
America/Managua → ianaTimeZoneDatabase → IANA time zone database ⓘ
this entity surface form: tz database
America/Merida → ianaTimeZoneDatabase → IANA time zone database ⓘ
this entity surface form: tz database
America/Monterrey → ianaTimeZoneDatabase → IANA time zone database ⓘ
this entity surface form: tz database
America/Regina → ianaTimeZoneDatabase → IANA time zone database ⓘ
this entity surface form: tz database
America/Winnipeg → ianaTimeZoneDatabase → IANA time zone database ⓘ
this entity surface form: tz database
Asia/Yakutsk → ianaTimeZoneDatabase → IANA time zone database ⓘ
this entity surface form: tz database
Australia/Hobart → ianaTimeZoneDatabase → IANA time zone database ⓘ
this entity surface form: tz database
Australia/Melbourne → ianaTimeZoneDatabase → IANA time zone database ⓘ
this entity surface form: tz database
Australia/Sydney → ianaTimeZoneDatabase → IANA time zone database ⓘ
this entity surface form: tz database
Pacific/Chatham → ianaTimeZoneDatabase → IANA time zone database ⓘ
this entity surface form: tz database
Olson database → influenced → IANA time zone database ⓘ
this entity surface form: POSIX time zone conventions
Indian/Christmas → isInIANAZoneDatabase → IANA time zone database ⓘ
this entity surface form: tz database
Arthur David Olson → knownFor → IANA time zone database ⓘ
Arthur David Olson → knownFor → IANA time zone database ⓘ
this entity surface form: tz database
Arthur David Olson → knownFor → IANA time zone database ⓘ
this entity surface form: zoneinfo time zone data
America/Belize → maintainedBy → IANA time zone database ⓘ
this entity surface form: IANA Time Zone Database project
America/Monterrey → maintainedBy → IANA time zone database ⓘ
this entity surface form: IANA Time Zone Database project
Australia/Brisbane → maintainedBy → IANA time zone database ⓘ
this entity surface form: IANA Time Zone Database project
Internet Assigned Numbers Authority → maintains → IANA time zone database ⓘ
this entity surface form: time zone database
Paul Eggert → notableWork → IANA time zone database ⓘ
North American time zones → relatedTo → IANA time zone database ⓘ
RFC 6557 → relatesTo → IANA time zone database ⓘ
RFC 6557 → relatesTo → IANA time zone database ⓘ
this entity surface form: tz database
RFC 6557 → relatesTo → IANA time zone database ⓘ
this entity surface form: Olson time zone database
IANA time zone database → repositoryLocation → IANA time zone database self-linksurface differs ⓘ
this entity surface form: IANA time zone database mailing list and distribution site
America/Santiago → timeZoneDatabase → IANA time zone database ⓘ
Antarctica/Casey → timeZoneDatabase → IANA time zone database ⓘ
Antarctica/McMurdo → timeZoneDatabase → IANA time zone database ⓘ