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