When the world meets at work.
Read the day in both zones.
If it's this in São Paulo, it's that in Hanoi.
When it's 8:00 am in São Paulo, it's 6:00 pm in Hanoi — evening there, the same day.
When it's 10:00 am in São Paulo, it's 8:00 pm in Hanoi — evening there, the same day.
When it's 12:00 pm in São Paulo, it's 10:00 pm in Hanoi — night there, the same day.
When it's 3:00 pm in São Paulo, it's 1:00 am in Hanoi — late night there, the next day.
When it's 5:00 pm in São Paulo, it's 3:00 am in Hanoi — late night there, the next day.
When it's 9:00 pm in São Paulo, it's 7:00 am in Hanoi — morning there, the next day.
Crossing the border. Money, language, plugs.
Money changes hands at the border: São Paulo uses the BRL (R$) and Hanoi uses the VND (₫). Language shifts too — Portuguese in São Paulo, Vietnamese in Hanoi. Cars drive on the right in both, so rentals feel familiar.
- Country
- Brazil
- Capital
- Brasília
- Currency
- Brazilian real (BRL · R$)
- Language
- Portuguese
- Calling code
- +55
- Drives on
- Right
- Country
- Vietnam
- Capital
- Hanoi
- Currency
- Vietnamese đồng (VND · ₫)
- Language
- Vietnamese
- Calling code
- +84
- Drives on
- Right
Quick answers. Before you book the call.
What's the time difference between São Paulo and Hanoi?
São Paulo is 10 hours ahead of Hanoi. São Paulo runs on GMT-3 and Hanoi on GMT+7. The gap can shift by an hour when either side enters or leaves daylight saving — the live clocks above always reflect the current offset.
When it's 10 am in São Paulo, what time is it in Hanoi?
10:00 am in São Paulo is 8:00 pm in Hanoi on the same day — evening there. The same shift applies to any hour; the quick-conversion cards and the 24-hour table above cover the full day.
When it's 3 pm in São Paulo, what time is it in Hanoi?
3:00 pm in São Paulo is 1:00 am in Hanoi the next day — late night there. The same shift applies to any hour; the quick-conversion cards and the 24-hour table above cover the full day.
When's the best time to schedule a meeting?
Standard 09:00–17:00 workdays don't intersect. Most teams compromise with one side meeting early (before 09:00) or late (after 17:00).
Does daylight saving time change the difference?
Yes, if either city observes DST. When one side shifts and the other doesn't, the gap changes by one hour. The DST badges under each clock show whether each zone is currently shifted and when the next transition lands.
How far is São Paulo from Hanoi?
About 17,175 km as the crow flies (great-circle distance). A non-stop commercial flight cruises that in roughly 20h 42m, not counting airport time, winds, or routing around restricted airspace.
Can I send this meeting time as a calendar invite?
Yes. Pick a time on the slider above, open the meeting card, customize the title and duration, then download the .ics file. It imports cleanly into Google Calendar, Outlook, and Apple Calendar with the correct timezone attached.
What currency do São Paulo and Hanoi use?
São Paulo uses the Brazilian real (BRL, R$); Hanoi uses the Vietnamese đồng (VND, ₫). Check the live rate before transferring money or paying with a card abroad — most banks add a 1–3 % FX margin on top of the mid-market rate.
How do I call São Paulo from Hanoi?
Dial the international prefix used by your carrier (often 00), then +55, then the local number — drop any leading zero of the city or mobile code. For free calls, WhatsApp, Signal, and FaceTime work over Wi-Fi regardless of country code.
What language is spoken in São Paulo and Hanoi?
São Paulo primarily speaks Portuguese; Hanoi speaks Vietnamese. English is widely used in business contexts in major cities of both, but written contracts may need translation.
Do São Paulo and Hanoi drive on the same side of the road?
Yes — both drive on the right. Rental cars feel identical between the two.