Ho Chi Minh City ↔ Ulaanbaatar
Best Time to Call
Excellent overlap! The best window to call is between 9:00 and 16:00 (Ho Chi Minh City time).
Sync Ho Chi Minh City and Ulaanbaatar easily. Ho Chi Minh City is 1 hour behind Ulaanbaatar. Excellent overlap! The best window to call is between 9:00 and 16:00 (Ho Chi Minh City 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
15:44 GMT+9
Working
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New York City
01:44 EST
Sleeping
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London
06:44 GMT
Sleeping
Synchronization Context
With only a 1 hour difference, these cities share a near-total workday overlap. Coordination is seamless, with most business hours aligning perfectly.
Ho Chi Minh City Business Pulse
- Culture Fast-paced, entrepreneurial, and very hardworking.
- Lunch Break 12:00 PM - 1:30 PM.
- Pro Tip The "Gold Window" for calls is 9:00 AM to 11:30 AM. Vietnamese business culture is energetic and relationship-driven; deals are often sealing during meals. Small gifts or gestures of respect are common in-person, but for virtual calls, maintain a warm, polite, and enthusiastic tone.
Ulaanbaatar Business Pulse
- Culture Resilient, pragmatic, and values relationship building. Influenced by its unique history and climate.
- Lunch Break 1:00 PM - 2:00 PM.
- Pro Tip Reach out between 10:00 AM and 12:00 PM. Mongolian business culture is relational; personal trust must be built through multiple interactions. Be direct but also patient and polite. Personal presence is highly valued. In winter, be mindful that local schedules may be slightly affected by extreme cold.
Quick Comparison
| Feature | Ho Chi Minh City | Ulaanbaatar |
|---|---|---|
| Timezone | Asia/Ho_Chi_Minh | Asia/Ulaanbaatar |
| Country | Vietnam | Mongolia |
| Coordinates | 10.82, 106.63 | 47.89, 106.91 |
| Population | 9,320,000 | 1,377,308 |