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