Time in Tokyo vs Tehran
Tokyo keeps JST (UTC+9) and Tehran keeps UTC+3:30 (UTC+3:30) today. Tehran is 5½ hours behind Tokyo; 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: 09:00–13:00 in Tehran (14:00–18:00 your time).
| City | 00:00 in Tokyo | 01:00 in Tokyo | 02:00 in Tokyo | 03:00 in Tokyo | 04:00 in Tokyo | 05:00 in Tokyo | 06:00 in Tokyo | 07:00 in Tokyo | 08:00 in Tokyo | 09:00 in Tokyo | 10:00 in Tokyo | 11:00 in Tokyo | 12:00 in Tokyo | 13:00 in Tokyo | 14:00 in Tokyo | 15:00 in Tokyo | 16:00 in Tokyo | 17:00 in Tokyo | 18:00 in Tokyo | 19:00 in Tokyo | 20:00 in Tokyo | 21:00 in Tokyo | 22:00 in Tokyo | 23:00 in Tokyo |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tokyo—— | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| Tehran—— | 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 Tokyo and Tehran
Best hours to call
14:00 in Tokyo
Inside working hours on both sides
09:00 in Tehran
15:00 in Tokyo
Inside working hours on both sides
10:00 in Tehran
16:00 in Tokyo
Inside working hours on both sides
11:00 in Tehran
17:00 in Tokyo
Inside working hours on both sides
12:00 in Tehran
Where daylight saving pulls them apart
Neither Tokyo nor Tehran changes its clocks, so the gap above holds all year.
Also useful
Common questions
How many hours ahead is Tehran of Tokyo?
Tehran is 5½ hours behind Tokyo right now. The gap is not fixed: it moves whenever either side changes its clocks.
What is the best time to call between Tokyo and Tehran?
Any hour in 14:00–18:00 Tokyo time is inside working hours in both cities.
Do Tokyo and Tehran change clocks on the same date?
Neither city changes its clocks, so the gap between them never moves.