Kolkata ↔ Tehran
Best Time to Call
Excellent overlap! The best window to call is between 11:00 and 17:00 (Kolkata time).
Sync Kolkata and Tehran easily. Kolkata is 2 hours ahead of Tehran. Excellent overlap! The best window to call is between 11:00 and 17:00 (Kolkata time).
Upcoming Time Change
- New York City clocks forward 1h in 11 days Mar 09
💡 Review recurring meetings scheduled during these dates to avoid sync issues.
Meeting Optimizer
Sync Score
3.3/10
-12h Current Time +12h
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Tokyo
15:32 GMT+9
Working
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New York City
01:32 EST
Sleeping
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London
06:32 GMT
Sleeping
Synchronization Context
With only a 2 hours difference, these cities share a near-total workday overlap. Coordination is seamless, with most business hours aligning perfectly.
Kolkata Business Pulse
- Culture Intellectual and heritage-focused. Business often involves longer discussions and consensus.
- Lunch Break 1:30 PM - 2:30 PM.
- Pro Tip Best reached between 11:30 AM and 4:00 PM. Avoid the 1:30 PM - 2:30 PM lunch window. Business culture is intellectual and values detailed discussion; avoid overly aggressive "hard-sell" tactics. Note that the city slows down significantly during major festivals like Durga Puja.
Tehran Business Pulse
- Culture Relationship-heavy and formal. Respect for hierarchy is paramount.
- Lunch Break 1:00 PM - 2:00 PM.
- Pro Tip The work week is Saturday to Wednesday. Thursday is often a half-day. Call between 9:00 AM and 12:00 PM. Iranian business culture is very formal and involves "Taarof" (a complex system of etiquette); be patient, polite, and avoid rushing into business without proper greetings.
Quick Comparison
| Feature | Kolkata | Tehran |
|---|---|---|
| Timezone | Asia/Kolkata | Asia/Tehran |
| Country | India | Iran |
| Coordinates | 22.57, 88.36 | 35.69, 51.39 |
| Population | 15,333,000 | 9,500,000 |