Time difference between Tehran and Tokyo
5h 30m
Tokyo is 5h 30m ahead of Tehran.
Does daylight saving change it?
No. The gap is the same all year. Neither city observes daylight saving.
Overlapping work hours
Between 09:00 and 13:00 in Tehran, Tokyo is also at work — 4 hours a day.
Tehran time → Tokyo time
| 00:00 | 05:30 |
|---|---|
| 01:00 | 06:30 |
| 02:00 | 07:30 |
| 03:00 | 08:30 |
| 04:00 | 09:30 |
| 05:00 | 10:30 |
| 06:00 | 11:30 |
| 07:00 | 12:30 |
| 08:00 | 13:30 |
| 09:00 | 14:30 |
| 10:00 | 15:30 |
| 11:00 | 16:30 |
| 12:00 | 17:30 |
| 13:00 | 18:30 |
| 14:00 | 19:30 |
| 15:00 | 20:30 |
| 16:00 | 21:30 |
| 17:00 | 22:30 |
| 18:00 | 23:30 |
| 19:00 | 00:30next day |
| 20:00 | 01:30next day |
| 21:00 | 02:30next day |
| 22:00 | 03:30next day |
| 23:00 | 04:30next day |
Standard time (January). During daylight saving each row shifts by an hour.
Frequently asked questions
Q. How many hours is Tehran ahead of Tokyo?
5h 30m on standard time.
Q. What time is it in Tokyo when it is noon in Tehran?
Read the 12:00 row of the 24-hour table below. The table is on standard time, so each row shifts an hour during daylight saving.
Q. When should we schedule a meeting?
The two cities' work hours (09:00–18:00) overlap for 4 hours a day. Anything inside that window catches both sides at work.