Colombo ↔ Johannesburg
Best Time to Call
Excellent overlap! The best window to call is between 13:00 and 17:00 (Colombo time).
Sync Colombo and Johannesburg easily. Colombo is 3 hours 30 minutes ahead of Johannesburg. Excellent overlap! The best window to call is between 13:00 and 17:00 (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
🌍
Tokyo
18:30 GMT+9
Personal
Outside Business Hours🌍
New York City
04:30 EST
Sleeping
🌍
London
09:30 GMT
Working
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.
Johannesburg Business Pulse
- Culture Fast-paced and competitive. The economic powerhouse of Africa.
- Lunch Break 1:00 PM - 2:00 PM.
- Pro Tip Best reached between 9:00 AM and 12:00 PM. South African business culture is direct and professional. Be aware of "Load Shedding" (scheduled power outages) which can affect your contact's availability and connectivity; it is a common professional courtesy to check on this.
Quick Comparison
| Feature | Colombo | Johannesburg |
|---|---|---|
| Timezone | Asia/Colombo | Africa/Johannesburg |
| Country | Sri Lanka | South Africa |
| Coordinates | 6.93, 79.86 | -26.20, 28.05 |
| Population | 753,000 | 6,198,000 |