Rio de Janeiro ↔ Ulaanbaatar
Best Time to Call
These cities have challenging overlap; use our slider to find a slot.
Sync Rio de Janeiro and Ulaanbaatar easily. Rio de Janeiro is 11 hours behind Ulaanbaatar. These cities have challenging overlap; use our slider to find a slot.
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
15:41 GMT+9
Working
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New York City
01:41 EST
Sleeping
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London
06:41 GMT
Sleeping
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.
Rio de Janeiro Business Pulse
- Culture Relaxed but hardworking. Creative and media industries are prominent.
- Lunch Break 12:30 PM - 2:00 PM.
- Pro Tip Best call times are 10:30 AM to 12:00 PM and 2:30 PM to 4:30 PM. "Cariocas" (Rio locals) value an informal and friendly start to meetings. Always spend a few minutes on social pleasantries. Avoid scheduling anything for Friday afternoon as the city begins its weekend transition early.
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 | Rio de Janeiro | Ulaanbaatar |
|---|---|---|
| Timezone | America/Sao_Paulo | Asia/Ulaanbaatar |
| Country | Brazil | Mongolia |
| Coordinates | -22.91, -43.17 | 47.89, 106.91 |
| Population | 13,728,000 | 1,377,308 |