Time in Dumai vs Istanbul
Dumai keeps WIB (UTC+7) and Istanbul keeps UTC+3 (UTC+3) today. Istanbul is 4 hours behind Dumai; 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: 09:00–14:00 in Istanbul (13:00–18:00 your time).
| City | 00:00 in Dumai | 01:00 in Dumai | 02:00 in Dumai | 03:00 in Dumai | 04:00 in Dumai | 05:00 in Dumai | 06:00 in Dumai | 07:00 in Dumai | 08:00 in Dumai | 09:00 in Dumai | 10:00 in Dumai | 11:00 in Dumai | 12:00 in Dumai | 13:00 in Dumai | 14:00 in Dumai | 15:00 in Dumai | 16:00 in Dumai | 17:00 in Dumai | 18:00 in Dumai | 19:00 in Dumai | 20:00 in Dumai | 21:00 in Dumai | 22:00 in Dumai | 23:00 in Dumai |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dumai—— | 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 Dumai and Istanbul
Best hours to call
13:00 in Dumai
Inside working hours on both sides
09:00 in Istanbul
14:00 in Dumai
Inside working hours on both sides
10:00 in Istanbul
15:00 in Dumai
Inside working hours on both sides
11:00 in Istanbul
16:00 in Dumai
Inside working hours on both sides
12:00 in Istanbul
Where daylight saving pulls them apart
Neither Dumai nor Istanbul changes its clocks, so the gap above holds all year.
Also useful
Common questions
How many hours ahead is Istanbul of Dumai?
Istanbul is 4 hours behind Dumai right now. The gap is not fixed: it moves whenever either side changes its clocks.
What is the best time to call between Dumai and Istanbul?
Any hour in 13:00–18:00 Dumai time is inside working hours in both cities.
Do Dumai and Istanbul change clocks on the same date?
Neither city changes its clocks, so the gap between them never moves.