Clocks
Time difference: New Delhi and Tehran
Tehran is 2 hours behind New Delhi.
New Delhi, India UTC+5:30
00:00:00
Wednesday, September 30, 2026
Syncing…
Tehran, Iran UTC+3:30
00:00:00
Wednesday, September 30, 2026
Syncing…
Hour by hour
| New Delhi | Tehran |
|---|---|
| 00:00 | 22:00 (previous day) |
| 01:00 | 23:00 (previous day) |
| 02:00 | 00:00 |
| 03:00 | 01:00 |
| 04:00 | 02:00 |
| 05:00 | 03:00 |
| 06:00 | 04:00 |
| 07:00 | 05:00 |
| 08:00 | 06:00 |
| 09:00 | 07:00 |
| 10:00 | 08:00 |
| 11:00 | 09:00 |
| 12:00 | 10:00 |
| 13:00 | 11:00 |
| 14:00 | 12:00 |
| 15:00 | 13:00 |
| 16:00 | 14:00 |
| 17:00 | 15:00 |
| 18:00 | 16:00 |
| 19:00 | 17:00 |
| 20:00 | 18:00 |
| 21:00 | 19:00 |
| 22:00 | 20:00 |
| 23:00 | 21:00 |
When the difference changes
Neither city changes its clocks in 2026 or 2027, so the difference stays the same all year.
New Delhi uses the Asia/Kolkata time zone and Tehran uses Asia/Tehran. The times above come from the IANA time zone database.