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