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Kolkata to Tehran time
Use TimeInOne to convert any local time in Kolkata, India to the corresponding time in Tehran, Iran.
The conversion uses Asia/Kolkata and Asia/Tehran, including date-specific seasonal clock changes.
City Time Converter
Kolkata to Tehran Time Converter
Convert Kolkata, India time to Tehran, Iran. Compare local times, working hours and recommended meeting slots.
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Locations
About Kolkata and Tehran
Compare location details, time zones, populations and coordinates for both cities.
City information
Kolkata
India
- Country
- India
- IN
- Population
- 4,631,392
- Time zone
- Asia/Kolkata
- Coordinates
- 22.5626° N
- 88.3630° E
City information
Tehran
Iran
- Country
- Iran
- IR
- Population
- 7,153,309
- Time zone
- Asia/Tehran
- Coordinates
- 35.6944° N
- 51.4215° E
Need the reverse conversion?
Convert Tehran time back to Kolkata.
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FAQ
Kolkata to Tehran time FAQ
Common questions about the time difference, daylight-saving rules and meeting hours between Kolkata and Tehran.
What is the time difference between Kolkata and Tehran?
Tehran is 2.0 hours behind Kolkata. The exact difference can change during the year when one location changes its clocks before the other.
Is Tehran ahead of Kolkata?
No. Tehran is currently 2.0 hours behind Kolkata.
What time is 9:00 AM in Kolkata in Tehran?
When it is 9:00 AM in Kolkata, it is 7:00:00 AM in Tehran on the current reference date. The result can differ during another part of the year because of daylight-saving changes.
Do Kolkata and Tehran observe daylight saving time?
Kolkata, India does not normally use a seasonal daylight-saving offset. Tehran, Iran does not normally use a seasonal daylight-saving offset. TimeInOne uses the IANA zones Asia/Kolkata and Asia/Tehran for date-specific conversions.
What is the best meeting time between Kolkata and Tehran?
The next recommended working-hours overlap is 1:30 PM in Kolkata and 11:30 AM in Tehran, on Mon, Aug 17.