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