Time in Istanbul vs Osaka
Istanbul keeps UTC+3 (UTC+3) and Osaka keeps JST (UTC+9) today. Osaka is 6 hours ahead of Istanbul; the rows below read both clocks live.
The working day, side by side
Hours shaded in both rows are inside working hours in both cities: 15:00–18:00 in Osaka (09:00–12:00 your time).
| City | 00:00 in Istanbul | 01:00 in Istanbul | 02:00 in Istanbul | 03:00 in Istanbul | 04:00 in Istanbul | 05:00 in Istanbul | 06:00 in Istanbul | 07:00 in Istanbul | 08:00 in Istanbul | 09:00 in Istanbul | 10:00 in Istanbul | 11:00 in Istanbul | 12:00 in Istanbul | 13:00 in Istanbul | 14:00 in Istanbul | 15:00 in Istanbul | 16:00 in Istanbul | 17:00 in Istanbul | 18:00 in Istanbul | 19:00 in Istanbul | 20:00 in Istanbul | 21:00 in Istanbul | 22:00 in Istanbul | 23:00 in Istanbul |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Istanbul—— | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| Osaka—— | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
- Working hours
- Shoulder
- Night
- Overlap
Do more with Istanbul and Osaka
Best hours to call
09:00 in Istanbul
Inside working hours on both sides
15:00 in Osaka
10:00 in Istanbul
Inside working hours on both sides
16:00 in Osaka
11:00 in Istanbul
Inside working hours on both sides
17:00 in Osaka
Where daylight saving pulls them apart
Neither Istanbul nor Osaka changes its clocks, so the gap above holds all year.
Also useful
Common questions
How many hours ahead is Osaka of Istanbul?
Osaka is 6 hours ahead of Istanbul right now. The gap is not fixed: it moves whenever either side changes its clocks.
What is the best time to call between Istanbul and Osaka?
Any hour in 09:00–12:00 Istanbul time is inside working hours in both cities.
Do Istanbul and Osaka change clocks on the same date?
Neither city changes its clocks, so the gap between them never moves.