Three numbers. The ones that decide the meeting.
When the world meets at work.
Read the day in both zones.
If it's this in Osaka, it's that in Reykjavík.
When it's 8:00 am in Osaka, it's 11:00 pm in Reykjavík — night there, the previous day.
When it's 10:00 am in Osaka, it's 1:00 am in Reykjavík — late night there, the same day.
When it's 12:00 pm in Osaka, it's 3:00 am in Reykjavík — late night there, the same day.
When it's 3:00 pm in Osaka, it's 6:00 am in Reykjavík — morning there, the same day.
When it's 5:00 pm in Osaka, it's 8:00 am in Reykjavík — morning there, the same day.
When it's 9:00 pm in Osaka, it's 12:00 pm in Reykjavík — midday there, the same day.
Crossing the border. Money, language, plugs.
Money changes hands at the border: Osaka uses the JPY (¥) and Reykjavík uses the ISK (kr). Language shifts too — Japanese in Osaka, Icelandic in Reykjavík. Be careful behind the wheel: Osaka drives on the left, Reykjavík on the right.
- Country
- Japan
- Capital
- Tokyo
- Currency
- Japanese yen (JPY · ¥)
- Language
- Japanese
- Calling code
- +81
- Drives on
- Left
- Country
- Iceland
- Capital
- Reykjavik
- Currency
- Icelandic króna (ISK · kr)
- Language
- Icelandic
- Calling code
- +354
- Drives on
- Right
Quick answers. Before you book the call.
What's the time difference between Osaka and Reykjavík?
Osaka is 9 hours behind Reykjavík. Osaka runs on GMT+9 and Reykjavík on GMT+0. 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 Osaka, what time is it in Reykjavík?
10:00 am in Osaka is 1:00 am in Reykjavík on the same 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 it's 3 pm in Osaka, what time is it in Reykjavík?
3:00 pm in Osaka is 6:00 am in Reykjavík on the same day — morning 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 Osaka from Reykjavík?
About 8,847 km as the crow flies (great-circle distance). A non-stop commercial flight cruises that in roughly 10h 55m, 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 Osaka and Reykjavík use?
Osaka uses the Japanese yen (JPY, ¥); Reykjavík uses the Icelandic króna (ISK, kr). 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 Osaka from Reykjavík?
Dial the international prefix used by your carrier (often 00), then +81, 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 Osaka and Reykjavík?
Osaka primarily speaks Japanese; Reykjavík speaks Icelandic. English is widely used in business contexts in major cities of both, but written contracts may need translation.
Do Osaka and Reykjavík drive on the same side of the road?
No. Japan drives on the left, Iceland on the right. If you're renting, expect a learning curve on the first day — especially at roundabouts and when judging the centre of the lane.