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