Time in Istanbul vs Jōetsu
Istanbul keeps UTC+3 (UTC+3) and Jōetsu keeps JST (UTC+9) today. Jōetsu 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 Jōetsu (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 |
| Jōetsu—— | 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 Jōetsu
Best hours to call
09:00 in Istanbul
Inside working hours on both sides
15:00 in Jōetsu
10:00 in Istanbul
Inside working hours on both sides
16:00 in Jōetsu
11:00 in Istanbul
Inside working hours on both sides
17:00 in Jōetsu
Where daylight saving pulls them apart
Neither Istanbul nor Jōetsu changes its clocks, so the gap above holds all year.
Also useful
Common questions
How many hours ahead is Jōetsu of Istanbul?
Jōetsu 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 Jōetsu?
Any hour in 09:00–12:00 Istanbul time is inside working hours in both cities.
Do Istanbul and Jōetsu change clocks on the same date?
Neither city changes its clocks, so the gap between them never moves.