Time in Tehran, Iran 🇮🇷
The current local time in Tehran, Iran is shown below — the city is in the Asia/Tehran time zone (UTC +03:30).
Tehran local time
Thursday, 22 October 2026 GMT+3:30
Tehran at a glance
- Time zone
Asia/Tehran- UTC offset now
- +03:30 GMT+3:30
- Daylight saving
- No · UTC +03:30 all year
- Coordinates
- 35.69° N, 51.39° E
- Population
- 9,259,009
- Country
- Iran · ISO IR
- Dialing code
- +98
- Currency
- Iranian Rial (IRR)
- Work week
- Saturday to Thursday
- Drives on the
- Right
Tehran right now
Time difference
Tehran is shown here relative to your device's time zone.
Planning a call? Compare hours side by side in the time zone converter.
Upcoming public holidays
- Martyrdom of Fatima-Zahara Fri, Nov 13, 2026
- Birthday of Imam Ali Tue, Dec 22, 2026
- Mabaas of Muhammad Tue, Jan 5, 2027
- Birthday of Imam Mahdi Sat, Jan 23, 2027
Sun today
Sunrise 06:17 · Sunset 17:22
Day length 11h 5m · twilight and monthly table →
Tehran time vs. UTC
A 09:00–17:00 working day in Tehran overlaps with 09:00–17:00 UTC from 12:30 to 17:00 Tehran time. Open this page in your browser and the second row switches to your own time zone.
| Tehran | 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | 20:00 | 21:00 | 22:00 | 23:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UTC | 20:30 | 21:30 | 22:30 | 23:30 | 00:30 | 01:30 | 02:30 | 03:30 | 04:30 | 05:30 | 06:30 | 07:30 | 08:30 | 09:30 | 10:30 | 11:30 | 12:30 | 13:30 | 14:30 | 15:30 | 16:30 | 17:30 | 18:30 | 19:30 |
- Office hours 09–17
- Awake, off work
- Night 22–07
Tehran vs. major cities
How far Tehran is from the world's main business centres right now, what time it is there when the working day starts in Tehran, and which hours of a 09:00–17:00 day the two places share. Daylight saving changes are applied automatically.
| City | Difference | At 09:00 in Tehran | Shared office hours |
|---|---|---|---|
| New York · United States | −7:30 h | 01:30 | 16:30–17:00 |
| Los Angeles · United States | −10:30 h | 22:30 (prev. day) | None |
| São Paulo · Brazil | −6:30 h | 02:30 | 15:30–17:00 |
| London · United Kingdom | −2:30 h | 06:30 | 11:30–17:00 |
| Paris · France | −1:30 h | 07:30 | 10:30–17:00 |
| Johannesburg · South Africa | −1:30 h | 07:30 | 10:30–17:00 |
| Dubai · United Arab Emirates | +0:30 h | 09:30 | 09:00–16:30 |
| Delhi · India | +2 h | 11:00 | 09:00–15:00 |
| Singapore · Singapore | +4:30 h | 13:30 | 09:00–12:30 |
| Beijing · China | +4:30 h | 13:30 | 09:00–12:30 |
Shared office hours are shown in Tehran time. Compare any set of cities hour by hour in the time zone converter, or pick a slot that suits everyone with the event planner.
Cities near Tehran
The closest places to Tehran among the cities we track, measured in a straight line from the city centre. Some of them keep a different clock, so check the time difference before crossing a border or booking a call.
| City | Distance | Time difference |
|---|---|---|
| Baghdad · Iraq | 700 km (430 mi) west | −0:30 h |
| Kuwait City · Kuwait | 770 km (480 mi) southwest | −0:30 h |
| Doha · Qatar | 1,160 km (720 mi) south | −0:30 h |
| Dubai · United Arab Emirates | 1,220 km (760 mi) south | +0:30 h |
| Abu Dhabi · United Arab Emirates | 1,280 km (800 mi) south | +0:30 h |
| Riyadh · Saudi Arabia | 1,300 km (810 mi) south | −0:30 h |
| Beirut · Lebanon | 1,460 km (910 mi) west | −1:30 h / −0:30 h |
| Amman · Jordan | 1,490 km (920 mi) west | −0:30 h |
Distances are great-circle distances. A plus sign means the other city is ahead of Tehran.
Clock time vs. sun time in Tehran
Tehran's standard offset, UTC +03:30, is based on the 52.5° E meridian; the city itself lies at 51.39° E, 1.1° west of it. Its clocks are therefore within 4 minutes of local solar time. Solar noon — when the sun is highest — falls between 11:49 (around 29 October) and 12:20 (around 12 February) on the clock.
How dates and times are written in Tehran
- Short date
- 1405/07/30 · YYYY/MM/DD
- Long date
- 30 مهر 1405
- Time
- 15:30 · 24-hour clock
- Week starts on
- Saturday
- Calendar
- Solar Hijri (Persian) calendar
Examples show 22 October 2026 at 15:30 using the Unicode CLDR conventions for fa-IR, Iran's most common locale. Businesses and English-language sources may use other formats.
Clock changes in Tehran
Since 1970, Tehran has gone through 9 distinct time-keeping periods, observing daylight saving time in 32 of 57 years. Since 2023 it has stayed on UTC +03:30 all year.
No clock changes are scheduled in 2026 or 2027: Tehran stays on UTC +03:30 all year.
Time zone history since 1970 (9 periods)
| Years | Offset | Daylight saving |
|---|---|---|
| 1970–1976 | UTC +03:30 all year | No daylight saving time |
| 1977 | UTC +04:00 all year | No daylight saving time |
| 1978 | UTC +03:30 all year | No daylight saving time |
| 1979–1980 | UTC +03:30, DST UTC +04:30 | Daylight saving dates varied from year to year |
| 1981–1990 | UTC +03:30 all year | No daylight saving time |
| 1991–2005 | UTC +03:30, DST UTC +04:30 | Daylight saving dates varied from year to year |
| 2006–2007 | UTC +03:30 all year | No daylight saving time |
| 2008–2022 | UTC +03:30, DST UTC +04:30 | Daylight saving dates varied from year to year |
| 2023–2026 | UTC +03:30 all year | No daylight saving time |
Source: IANA tz database, as shipped with the Unicode ICU library.
Daylight in Tehran through the year
The longest day in Tehran is 21 June with 14h 35m of daylight; the shortest is 22 December with 9h 44m. Day length swings by 4 h 50 min over the year. The earliest sunrise is at 04:49 on 7 June and the latest sunset at 19:25 on 23 June — not on the solstice itself, because solar noon drifts through the year.
Frequently asked questions
What time zone is Tehran in?
Tehran uses the Asia/Tehran time zone: UTC +03:30 all year round.
Does Tehran observe daylight saving time?
No. Tehran does not currently change its clocks; it last observed daylight saving time in 2022.
When is the longest day of the year in Tehran?
Around 21 June, with 14h 35m of daylight. The shortest day is around 22 December, with 9h 44m.
What is the dialing code for Tehran?
To call Tehran from abroad, dial your international access code, then Iran's country code +98, then the local number without its leading trunk prefix.
What are normal working days in Tehran?
The standard work week in Iran runs Saturday to Thursday, with the weekend on Friday. Keep this in mind when scheduling calls from countries with a different weekend.
What is the nearest city to Tehran on a different time?
Of the 189 cities we track, the closest one keeping a different clock is Baghdad, Iraq, about 700 km (430 mi) to the west. It is 30 min behind Tehran.
How are dates and times written in Tehran?
Following the fa-IR conventions in the Unicode CLDR, a short date is written YYYY/MM/DD (1405/07/30) and times usually use the 24-hour clock (15:30). Calendars start the week on Saturday. The default local calendar is the Solar Hijri (Persian) calendar, so local years differ from the Gregorian year.
Explore more for Tehran
Everything else we track for Tehran: daylight, weather, the country overview, and the exact time-zone references.