Colombo ↔ Guangzhou
Best Time to Call
Excellent overlap! The best window to call is between 9:00 and 15:00 (Colombo time).
Sync Colombo and Guangzhou easily. Colombo is 2 hours 30 minutes behind Guangzhou. Excellent overlap! The best window to call is between 9:00 and 15:00 (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
20:01 GMT+9
Personal
Outside Business Hours🌍
New York City
06:01 EST
Sleeping
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London
11:01 GMT
Working
Synchronization Context
A 2 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.
Guangzhou Business Pulse
- Culture Pragmatic and trade-focused. Known for "Canton Fair" and a deep history in international commerce.
- Lunch Break 12:00 PM - 2:00 PM.
- Pro Tip The 12-2 PM lunch window is very important; avoid calling then. Best times are 10:00 AM - 11:30 AM and 2:30 PM - 4:30 PM. While Cantonese is the local language, Mandarin is the business standard for non-locals. Pragmatism and efficiency are highly valued in this major trade hub.
Quick Comparison
| Feature | Colombo | Guangzhou |
|---|---|---|
| Timezone | Asia/Colombo | Asia/Shanghai |
| Country | Sri Lanka | China |
| Coordinates | 6.93, 79.86 | 23.13, 113.26 |
| Population | 753,000 | 14,284,000 |