Delhi time to Tehran time
Tehran is 2 hours behind Delhi all year (Delhi GMT+5:30/UTC+05:30 in summer; Tehran GMT+3:30/UTC+03:30). Enter a Delhi time below to convert it, or leave it blank to see the current time in both cities.
How to use the Delhi to Tehran time
- Type a Delhi time (24-hour) and optionally a date, or leave blank for now.
- Click Convert.
- Read the Tehran time and the working-hours table.
Time difference between Delhi and Tehran
Tehran is 2 hours behind Delhi all year. Neither city changes its clocks, so the difference is the same all year. Delhi uses Asia/Kolkata time (UTC+05:30 in January, UTC+05:30 in July); Tehran uses Asia/Tehran (UTC+03:30 in January, UTC+03:30 in July).
Working week in Delhi and Tehran
Delhi: India Standard Time, UTC+5:30 all year for the whole country. Office hours 09:30–18:00 or 10:00–19:00; many IT firms run late shifts aligned to US clients. Weekend Saturday–Sunday, some Saturdays working.
Tehran: Iran Standard Time, UTC+3:30 all year (daylight saving was abolished in 2022). Weekend is Friday, with Thursday a half day for many; the week starts Saturday.
Quick conversion table (summer difference)
| Delhi | Tehran |
|---|---|
| 08:00 | 06:00 |
| 09:00 | 07:00 |
| 10:00 | 08:00 |
| 12:00 | 10:00 |
| 14:00 | 12:00 |
| 16:00 | 14:00 |
| 18:00 | 16:00 |
| 20:00 | 18:00 |
| 22:00 | 20:00 |
Table uses the July difference; the tool above applies the exact rule for any date.
Best time to call between Delhi and Tehran
Within normal office hours (09:00–18:00) in both cities: 11:00–17:00 Delhi time. For a compromise outside that window, the fairest slots are the ones nearest each side's start or end of day, alternating who takes the inconvenient hour.
Reverse
Need the other direction? See Tehran to Delhi, or the general time zone converter.
Frequently asked questions
How many hours ahead is Tehran from Delhi?
Tehran is 2 hours behind Delhi all year.
When it is 12:00 noon in Delhi, what time is it in Tehran?
10:00 in summer (the same or previous day); use the tool for a specific date.
Does the converter handle daylight saving?
Yes, for the exact date you enter, using the IANA time-zone rules in your browser.
Privacy
This tool runs entirely inside your browser using WebAssembly and the Canvas/File APIs. Your files are never uploaded to ToolFlint or any third party; you can verify this in your browser's network tab or by switching to airplane mode after the page loads. Read how we process files.
Last updated 2026-09-23.