Time in Istanbul vs Hōfu
Istanbul keeps UTC+3 (UTC+3) and Hōfu keeps JST (UTC+9) today. Hōfu is 6 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: 15:00–18:00 in Hōfu (09:00–12:00 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 |
| Hōfu—— | 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 Hōfu
Best hours to call
09:00 in Istanbul
Inside working hours on both sides
15:00 in Hōfu
10:00 in Istanbul
Inside working hours on both sides
16:00 in Hōfu
11:00 in Istanbul
Inside working hours on both sides
17:00 in Hōfu
Where daylight saving pulls them apart
Neither Istanbul nor Hōfu changes its clocks, so the gap above holds all year.
Also useful
Common questions
How many hours ahead is Hōfu of Istanbul?
Hōfu is 6 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 Hōfu?
Any hour in 09:00–12:00 Istanbul time is inside working hours in both cities.
Do Istanbul and Hōfu change clocks on the same date?
Neither city changes its clocks, so the gap between them never moves.