Hanoi ↔ Sofia
Best Time to Call
Excellent overlap! The best window to call is between 14:00 and 17:00 (Hanoi time).
Sync Hanoi and Sofia easily. Hanoi is 5 hours ahead of Sofia. Excellent overlap! The best window to call is between 14:00 and 17:00 (Hanoi 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
18:24 GMT+9
Personal
Outside Business Hours🌍
New York City
04:24 EST
Sleeping
🌍
London
09:24 GMT
Working
Synchronization Context
A 5 hours gap allows for a manageable shared window, typically in the morning or late afternoon. It requires some scheduling but supports daily synchronization.
Hanoi Business Pulse
- Culture Formal, hierarchical, and relationship-driven. Government presence is strong.
- Lunch Break 12:00 PM - 1:30 PM.
- Pro Tip Best reached between 9:00 AM and 11:30 AM. Business in the capital is more formal and hierarchical than in the south. Relationships with authority and government are often important. Trust must be built through multiple polite interactions and formal introductions.
Sofia Business Pulse
- Culture Energetic, tech-focused, and increasingly international. A growing hub for IT and services.
- Lunch Break 12:30 PM - 1:30 PM.
- Pro Tip Best times for calls are 10:00 AM to 12:00 PM. Bulgarians value personal rapport; a warm but professional tone is effective. The tech sector is very globalized and efficient. Punctuality is appreciated. Be prepared for direct and honest communication once trust is established.
Quick Comparison
| Feature | Hanoi | Sofia |
|---|---|---|
| Timezone | Asia/Bangkok | Europe/Sofia |
| Country | Vietnam | Bulgaria |
| Coordinates | 21.03, 105.85 | 42.70, 23.32 |
| Population | 5,200,000 | 1,241,675 |