Colombo ↔ Washington D.C.
Best Time to Call
These cities have challenging overlap; use our slider to find a slot.
Sync Colombo and Washington D.C. easily. Colombo is 10 hours 30 minutes ahead of Washington D.C.. These cities have challenging overlap; use our slider to find a slot.
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
15:34 GMT+9
Working
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New York City
01:34 EST
Sleeping
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London
06:34 GMT
Sleeping
Synchronization Context
Operating on opposite sides of the clock, these cities have virtually no overlapping business hours. Expect a 24-hour turnaround for most communications.
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.
Washington D.C. Business Pulse
- Culture Highly formal, networking-heavy, and influenced by government and policy.
- Lunch Break 12:30 PM - 1:30 PM.
- Pro Tip Ideal call window is 10:00 AM to 11:30 AM and 2:00 PM to 4:00 PM. Punctuality is non-negotiable. DC is a "Power City"; be prepared for very formal protocols and the use of professional or political titles. Networking is a 24/7 activity here, but business calls should stay within 9-6.
Quick Comparison
| Feature | Colombo | Washington D.C. |
|---|---|---|
| Timezone | Asia/Colombo | America/New_York |
| Country | Sri Lanka | USA |
| Coordinates | 6.93, 79.86 | 38.91, -77.04 |
| Population | 753,000 | 5,490,000 |