Colombo ↔ Osaka
Best Time to Call
Excellent overlap! The best window to call is between 9:00 and 14:00 (Colombo time).
Sync Colombo and Osaka easily. Colombo is 3 hours 30 minutes behind Osaka. Excellent overlap! The best window to call is between 9:00 and 14:00 (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
15:39 GMT+9
Working
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New York City
01:39 EST
Sleeping
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London
06:39 GMT
Sleeping
Synchronization Context
A 3 hours 30 minutes gap allows for a manageable shared window, typically in the morning or late afternoon. It requires some scheduling but supports daily synchronization.
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.
Osaka Business Pulse
- Culture Slightly more pragmatic and direct than Tokyo. Known for a entrepreneurial spirit and "Kuidaore" (eat until you drop).
- Lunch Break 12:00 PM - 1:00 PM.
- Pro Tip Best times for calls are 10:00 AM - 11:30 AM and 2:00 PM - 4:30 PM. Osakans are known for being slightly more informal and direct than people in Tokyo, but standard Japanese business etiquette (punctuality, politeness) still applies strictly. Avoid the 12-1 PM lunch hour.
Quick Comparison
| Feature | Colombo | Osaka |
|---|---|---|
| Timezone | Asia/Colombo | Asia/Tokyo |
| Country | Sri Lanka | Japan |
| Coordinates | 6.93, 79.86 | 34.69, 135.50 |
| Population | 753,000 | 19,013,000 |