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