Time in Kaifeng vs Istanbul
Kaifeng keeps CST (UTC+8) and Istanbul keeps UTC+3 (UTC+3) today. Istanbul is 5 hours behind Kaifeng; 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: 09:00–13:00 in Istanbul (14:00–18:00 your time).
| City | 00:00 in Kaifeng | 01:00 in Kaifeng | 02:00 in Kaifeng | 03:00 in Kaifeng | 04:00 in Kaifeng | 05:00 in Kaifeng | 06:00 in Kaifeng | 07:00 in Kaifeng | 08:00 in Kaifeng | 09:00 in Kaifeng | 10:00 in Kaifeng | 11:00 in Kaifeng | 12:00 in Kaifeng | 13:00 in Kaifeng | 14:00 in Kaifeng | 15:00 in Kaifeng | 16:00 in Kaifeng | 17:00 in Kaifeng | 18:00 in Kaifeng | 19:00 in Kaifeng | 20:00 in Kaifeng | 21:00 in Kaifeng | 22:00 in Kaifeng | 23:00 in Kaifeng |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kaifeng—— | 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 Kaifeng and Istanbul
Best hours to call
14:00 in Kaifeng
Inside working hours on both sides
09:00 in Istanbul
15:00 in Kaifeng
Inside working hours on both sides
10:00 in Istanbul
16:00 in Kaifeng
Inside working hours on both sides
11:00 in Istanbul
17:00 in Kaifeng
Inside working hours on both sides
12:00 in Istanbul
Where daylight saving pulls them apart
Neither Kaifeng nor Istanbul changes its clocks, so the gap above holds all year.
Also useful
Common questions
How many hours ahead is Istanbul of Kaifeng?
Istanbul is 5 hours behind Kaifeng right now. The gap is not fixed: it moves whenever either side changes its clocks.
What is the best time to call between Kaifeng and Istanbul?
Any hour in 14:00–18:00 Kaifeng time is inside working hours in both cities.
Do Kaifeng and Istanbul change clocks on the same date?
Neither city changes its clocks, so the gap between them never moves.