Colombo ↔ St Louis
Best Time to Call
These cities have challenging overlap; use our slider to find a slot.
Sync Colombo and St Louis easily. Colombo is 11 hours 30 minutes ahead of St Louis. These cities have challenging overlap; use our slider to find a slot.
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
20:03 GMT+9
Personal
Outside Business Hours🌍
New York City
06:03 EST
Sleeping
🌍
London
11:03 GMT
Working
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.
St Louis Business Pulse
- Culture Midwestern values of friendliness and hard work. Business is professional but often involves personal connection.
- Lunch Break Typically 12:00 PM - 1:00 PM.
- Pro Tip Operating in Central Time (CST/CDT), St Louis is a perfect bridge for coast-to-coast US calls. Reach out between 9:00 AM and 11:00 AM for the most engaged responses. A friendly, personal opening is culturally expected before diving into technical or business details.
Quick Comparison
| Feature | Colombo | St Louis |
|---|---|---|
| Timezone | Asia/Colombo | America/Chicago |
| Country | Sri Lanka | USA |
| Coordinates | 6.93, 79.86 | 38.63, -90.20 |
| Population | 753,000 | 301,578 |