Chittagong ↔ Colombo
Best Time to Call
Excellent overlap! The best window to call is between 10:00 and 17:00 (Chittagong time).
Sync Chittagong and Colombo easily. Chittagong is 30 minutes ahead of Colombo. Excellent overlap! The best window to call is between 10:00 and 17:00 (Chittagong 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
15:40 GMT+9
Working
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New York City
01:40 EST
Sleeping
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London
06:40 GMT
Sleeping
Synchronization Context
With only a 30 minutes difference, these cities share a near-total workday overlap. Coordination is seamless, with most business hours aligning perfectly.
Chittagong Business Pulse
- Culture Practical, trade-focused, and the major maritime hub of Bangladesh. Relationship-heavy.
- Lunch Break 1:30 PM - 2:30 PM.
- Pro Tip Ideal window for calls is 11:00 AM to 1:30 PM. Business in this major port is practical and focused on international trade. Personal trust is vital. The work week is Sunday through Thursday. Be patient with potential power/internet disruptions and maintain a professional and steady tone.
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.
Quick Comparison
| Feature | Chittagong | Colombo |
|---|---|---|
| Timezone | Asia/Dhaka | Asia/Colombo |
| Country | Bangladesh | Sri Lanka |
| Coordinates | 22.36, 91.78 | 6.93, 79.86 |
| Population | 2,582,401 | 753,000 |