Bombay Time
E31792
Bombay Time was a former local time standard used in the city of Bombay (now Mumbai) before the adoption of a unified national time across India.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Bombay Time canonical | 3 |
| Bombay local time | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T247372 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bombay Time Context triple: [Indian Standard Time, previousTimeSystemsIncluded, Bombay Time]
-
A.
Star of India
The Star of India is a historic emblem and chivalric order created by the British Crown to honor loyalty and service among princes and officials in colonial India.
-
B.
Palashi
Palashi is a town in West Bengal, India, historically renowned as the site of the pivotal 1757 Battle of Plassey that marked the beginning of major British colonial dominance in India.
-
C.
West End Blues
"West End Blues" is a landmark 1928 jazz recording renowned for Louis Armstrong's virtuosic trumpet intro and its pivotal role in the development of solo improvisation in jazz.
-
D.
Shantaram
Shantaram is a novel by Gregory David Roberts that follows an Australian fugitive who builds a new life in the underworld of Bombay, blending adventure, crime, and spiritual exploration.
-
E.
This Time
"This Time" is a song featured on the album "Evolver" by the Christian rock band John Legend.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Bombay Time Target entity description: Bombay Time was a former local time standard used in the city of Bombay (now Mumbai) before the adoption of a unified national time across India.
-
A.
Star of India
The Star of India is a historic emblem and chivalric order created by the British Crown to honor loyalty and service among princes and officials in colonial India.
-
B.
Palashi
Palashi is a town in West Bengal, India, historically renowned as the site of the pivotal 1757 Battle of Plassey that marked the beginning of major British colonial dominance in India.
-
C.
West End Blues
"West End Blues" is a landmark 1928 jazz recording renowned for Louis Armstrong's virtuosic trumpet intro and its pivotal role in the development of solo improvisation in jazz.
-
D.
Shantaram
Shantaram is a novel by Gregory David Roberts that follows an Australian fugitive who builds a new life in the underworld of Bombay, blending adventure, crime, and spiritual exploration.
-
E.
This Time
"This Time" is a song featured on the album "Evolver" by the Christian rock band John Legend.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
local mean time
ⓘ
time standard ⓘ |
| alsoKnownAs |
Bombay Time
ⓘ
surface form:
Bombay local time
|
| appliesTo |
Mumbai
ⓘ
surface form:
city of Bombay
port of Bombay ⓘ |
| basedOn | local mean time at Bombay ⓘ |
| category |
History of Mumbai
ⓘ
Time in India ⓘ Time zones of Asia ⓘ |
| coexistedWith |
Calcutta Time
ⓘ
Indian Standard Time ⓘ Madras Time ⓘ |
| coordinateSystem | mean solar time at Bombay longitude ⓘ |
| country | India ⓘ |
| era | pre-independence India ⓘ |
| geographicFocus | western India ⓘ |
| governedBy | local municipal regulations in Bombay ⓘ |
| historicalSignificance | illustrates pre-standardization local times in India ⓘ |
| namedAfter |
Mumbai
ⓘ
surface form:
Bombay
|
| reasonForAbolition | need for uniform time across India ⓘ |
| relatedTo |
history of timekeeping in India
ⓘ
standardization of time zones in India ⓘ |
| replacedBy | Indian Standard Time ⓘ |
| replacedByPolicy | unified national time across India ⓘ |
| status | defunct ⓘ |
| timeDifferenceWithGreenwichMeanTime | +04:51 ⓘ |
| timeDifferenceWithIndianStandardTime |
39 minutes behind IST
ⓘ
−00:39 ⓘ |
| timeZoneOf |
Mumbai
ⓘ
surface form:
Bombay
Mumbai ⓘ |
| typeOf | pre-standardization time zone ⓘ |
| usedBefore | Indian Standard Time ⓘ |
| usedBy |
Municipal Corporation of Greater Mumbai
ⓘ
surface form:
Bombay municipal authorities
local businesses in Bombay ⓘ residents of Bombay ⓘ |
| usedFor |
civil timekeeping in Bombay
ⓘ
railway timetables in Bombay region ⓘ |
| usedIn |
Mumbai
ⓘ
surface form:
Bombay
British India ⓘ Mumbai ⓘ |
| usedIn19thCentury | true ⓘ |
| usedInColonialPeriod | true ⓘ |
| usedInEarly20thCentury | true ⓘ |
| usedInRegion | Bombay Presidency ⓘ |
| UTCOffset |
+04:51
ⓘ
+4 hours 51 minutes ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Bombay Time Description of subject: Bombay Time was a former local time standard used in the city of Bombay (now Mumbai) before the adoption of a unified national time across India.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Bombay local time