Calcutta Time

E32409

Calcutta Time was a former local time standard used in Kolkata (then Calcutta) before the adoption of a unified national time zone in India.

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Statements (37)

Predicate Object
instanceOf local time
time standard
alsoKnownAs Calcutta local time
appliesTo city of Calcutta
Calcutta
surface form: city of Kolkata
basedOn local mean time at Calcutta
classification historical time zone
coexistedWith Bombay Time
Indian Standard Time
Madras Time
country India
differenceFromGMTInMinutes 353.3333
differenceFromISTInMinutes −5.6667
geographicReference longitude of Calcutta
historicalContext colonial India
historicalSignificance illustrates pre-unification local times in India
namedAfter Calcutta
regionType single-city time
replacedBy Indian Standard Time
replacedLocalTimesIn none (was itself a local time)
standardizedBy local authorities in Calcutta
status defunct
timeType mean solar time
timeZoneOffset UTC+05:53:20
timeZoneOffsetFromIST −0:05:40
timeZoneOffsetFromUTCInMinutes 353.3333
timeZoneOffsetHours UTC+5.8889
usedBefore Indian Standard Time
usedBy colonial administration in Calcutta
residents of Calcutta
usedFor civil timekeeping in Calcutta
railway timetables in Calcutta
usedIn Calcutta
Calcutta
surface form: Kolkata
usedInCentury 19th century
20th century
usedUntil mid-20th century

Referenced by (3)

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

Bombay Time coexistedWith Calcutta Time
Madras Time relatedTo Calcutta Time