Colombo ↔ Tehran
Best Time to Call
Excellent overlap! The best window to call is between 11:00 and 17:00 (Colombo time).
Sync Colombo and Tehran easily. Colombo is 2 hours ahead of Tehran. Excellent overlap! The best window to call is between 11:00 and 17:00 (Colombo time).
Upcoming Time Change
- New York City clocks forward 1h in 10 days Mar 08
💡 Review recurring meetings scheduled during these dates to avoid sync issues.
Meeting Optimizer
Sync Score
6/10
-12h Current Time +12h
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Tokyo
18:24 GMT+9
Personal
Outside Business Hours🌍
New York City
04:24 EST
Sleeping
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London
09:24 GMT
Working
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.
Colombo Business Pulse
- Culture Professional and hierarchical. Values personal rapport and education.
- Lunch Break 1:00 PM - 2:00 PM.
- Pro Tip Best call window is 10:00 AM to 12:00 PM. Sri Lankans value education and professional titles. Business culture is relational; spend time on polite introductions. Punctuality is appreciated. Be aware of potential power disruptions and have a backup communication plan like WhatsApp.
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 | Colombo | Tehran |
|---|---|---|
| Timezone | Asia/Colombo | Asia/Tehran |
| Country | Sri Lanka | Iran |
| Coordinates | 6.93, 79.86 | 35.69, 51.39 |
| Population | 753,000 | 9,500,000 |