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