time zone

C185
concept

A time zone is a geographically defined region that observes a uniform standard time, typically offset from Coordinated Universal Time (UTC), to synchronize clocks within that area.

All labels observed (16)

Label Occurrences
time zone canonical 253
IANA time zone identifier 65
time standard 30

Description generation (CDg)

The one-sentence description above was generated by prompting gpt-5.1 with the class name and this instruction.

Instruction
generate a one-sentence description for a given conceptual class.
# Response Format
Return only the sentence: "Description: [one-sentence description of the conceptional class]"
Input
Class: time zone
Generated description
A time zone is a geographically defined region that observes a uniform standard time, typically offset from Coordinated Universal Time (UTC), to synchronize clocks within that area.

Instances (297)

Instance Via concept surface
Europe/Madrid
Eastern Indonesian Time
Australia/Darwin IANA time zone identifier
CET
CEST
Australian Central Daylight Time
Peru Time
Seychelles Time
Indochina Time
YAKT
Chita Time
Palau Time
Timor Leste Time
Asia/Yakutsk IANA time zone identifier
YAKST time zone abbreviation
Maldives Time
Europe/Oslo Olson time zone ID
America/Cayenne
International Date Line (adjusted for Kiribati) geopolitical time demarcation
Russian Empire standard time time standard
Chatham Daylight Time
Israel Standard Time
JRH
surface form: IST
Sri Lanka Standard Time
Saint Petersburg time (historical) time standard
Mountain Standard Time (no DST, Arizona)
Mountain Standard Time (no DST)
VIJO
surface form: IST
Asia/Jerusalem IANA time zone identifier
EAST
Georgia Standard Time
COT
Newfoundland Time Zone
Azerbaijan Time
ACST
ACDT
Pacific Time Zone
Pacific/Tahiti IANA time zone identifier
Cook Islands Time
Paraguay Summer Time
SST
Niue Time
America/Santiago IANA time zone identifier
MMT
Falkland Islands Time
AFT
NSTimeZone time zone abstraction
Arabia Standard Time
Brunei Darussalam Time
Chatham Standard Time