Buenos Aires×Osaka
When the world meets at work.
Read the day in both zones.
If it's this in Buenos Aires, it's that in Osaka.
When it's 8:00 am in Buenos Aires, it's 8:00 pm in Osaka — evening there, the same day.
When it's 10:00 am in Buenos Aires, it's 10:00 pm in Osaka — night there, the same day.
When it's 12:00 pm in Buenos Aires, it's 12:00 am in Osaka — late night there, the next day.
When it's 3:00 pm in Buenos Aires, it's 3:00 am in Osaka — late night there, the next day.
When it's 5:00 pm in Buenos Aires, it's 5:00 am in Osaka — morning there, the next day.
When it's 9:00 pm in Buenos Aires, it's 9:00 am in Osaka — late morning there, the next day.
Crossing the border. Money, language, plugs.
Money changes hands at the border: Buenos Aires uses the ARS ($) and Osaka uses the JPY (¥). Language shifts too — Guaraní in Buenos Aires, Japanese in Osaka. Be careful behind the wheel: Buenos Aires drives on the right, Osaka on the left.
- Country
- Argentina
- Capital
- Buenos Aires
- Currency
- Argentine peso (ARS · $)
- Language
- Guaraní, Spanish
- Calling code
- +54
- Drives on
- Right
- Country
- Japan
- Capital
- Tokyo
- Currency
- Japanese yen (JPY · ¥)
- Language
- Japanese
- Calling code
- +81
- Drives on
- Left
Quick answers. Before you book the call.
What's the time difference between Buenos Aires and Osaka?
Buenos Aires is 12 hours ahead of Osaka. Buenos Aires runs on GMT-3 and Osaka on GMT+9. 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 Buenos Aires, what time is it in Osaka?
10:00 am in Buenos Aires is 10:00 pm in Osaka on the same day — night 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 Buenos Aires, what time is it in Osaka?
3:00 pm in Buenos Aires is 3:00 am in Osaka 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 Buenos Aires from Osaka?
About 18,746 km as the crow flies (great-circle distance). A non-stop commercial flight cruises that in roughly 22h 33m, 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 Buenos Aires and Osaka use?
Buenos Aires uses the Argentine peso (ARS, $); Osaka uses the Japanese yen (JPY, ¥). 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 Buenos Aires from Osaka?
Dial the international prefix used by your carrier (often 00), then +54, 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 Buenos Aires and Osaka?
Buenos Aires primarily speaks Guaraní, Spanish; Osaka speaks Japanese. English is widely used in business contexts in major cities of both, but written contracts may need translation.
Do Buenos Aires and Osaka drive on the same side of the road?
No. Argentina drives on the right, Japan on the left. If you're renting, expect a learning curve on the first day — especially at roundabouts and when judging the centre of the lane.