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