Colombo ↔ London
Best Time to Call
Excellent overlap! The best window to call is between 15:00 and 17:00 (Colombo time).
Sync Colombo and London easily. Colombo is 5 hours 30 minutes ahead of London. Excellent overlap! The best window to call is between 15:00 and 17:00 (Colombo 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
15:36 GMT+9
Working
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New York City
01:36 EST
Sleeping
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London
06:36 GMT
Sleeping
Synchronization Context
Syncing between Colombo and London is challenging due to the 5 hours 30 minutes offset. Teams should prioritize asynchronous communication or specific 'handover' windows.
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.
London Business Pulse
- Culture London business culture is generally formal but collaborative. "Flexi-Fridays" are common in the summer.
- Lunch Break Typically 1:00 PM - 2:00 PM.
- Pro Tip Avoid calling after 4:30 PM on Fridays as many offices wind down early for the weekend. Mid-week (Tuesday to Thursday) between 10 AM and 4 PM is the "Golden Window" for reaching decision-makers. Always start with a brief polite inquiry about their day before diving into business.
Quick Comparison
| Feature | Colombo | London |
|---|---|---|
| Timezone | Asia/Colombo | Europe/London |
| Country | Sri Lanka | UK |
| Coordinates | 6.93, 79.86 | 51.51, -0.13 |
| Population | 753,000 | 9,648,000 |