Current Local Time in Tehran
Iran Asia/Tehran IRST UTC+3:30 No clock change
14:59:48
Sunday, August 2, 2026
Daytime UTC+3:30 (+03:30)
Static values shown for ; your browser updates them to the current second.
UTC offset now
UTC+3:30
Same on every date
Abbreviation
IRST
No seasonal variant
Daylight saving
No clock change
Tehran never changes its clocks
IANA time zone
Asia/Tehran
Iran · Middle East
Tehran time zone
Tehran keeps a single offset all year. Local clocks run UTC+3:30, written IRST, and there is no seasonal adjustment — so the only reason your difference with Tehran would change is a clock change where you are.
- IANA time zone
- Asia/Tehran
- Offset in standard time
- UTC+3:30 (IRST)
- Daylight saving time
- Not observed — no clock change
- Most recent clock change
- None on record in recent years
- Next clock change
- None scheduled — clocks stay as they are
- When it is 12:00 UTC
- 15:30 in January · 15:30 in July
Clock changes in Tehran, 2026–2028
Full record for Tehran → ten years back and ten forward, with each year's DST window.
No clock change. Tehran stays on UTC+3:30 (IRST) through 2028 under the rules currently published in the IANA time zone database. Governments do sometimes change these rules, so this page is regenerated from the latest database on every build.
Sun and moon in Tehran
Computed for 35.6892°, 51.3890° on August 2, 2026.
Sunrise
05:13
Sunset
19:08
Day length
13h 55m
−1m 41s vs yesterday
Solar noon
12:10
Sun at its highest
| Phase | Morning | Evening | Sun's altitude |
|---|---|---|---|
| Astronomical twilight | 03:34 | 20:46 | −18° to −12° |
| Nautical twilight | 04:11 | 20:10 | −12° to −6° |
| Civil twilight | 04:45 | 19:36 | −6° to −0.833° |
| Sunrise / sunset | 05:13 | 19:08 | −0.833° (upper limb at the horizon) |
Across 2026, daylight in Tehran runs from about 9h 44m at the shortest day to 14h 35m at the longest.
Moon
Waning gibbous
80% illuminated · 19.1 days into the cycle · waning
- Moonrise
- 21:05
- Moonset
- 08:42
- Next full moon
- Aug 28, 07:49
- Next new moon
- Aug 12, 21:08
Sun and moon figures are computed locally from standard astronomical series (NOAA solar equations and Meeus' lunar terms) — accurate to about a minute at mid latitudes, and less near the poles where the sun crosses the horizon at a shallow angle.
Weather in Tehran
Loading current weather for Tehran.
Current weather for Tehran is unavailable right now. Everything else on this page — local time, time zone rules, sunrise and sunset — is computed locally and unaffected.
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Feels like
- Today's high / low
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- Humidity
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- Wind
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- Tomorrow
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Measured · source Open-Meteo · cached for 30 minutes
Time difference between Tehran and other cities
Differences are computed from each city's own zone rules, so pairs whose clocks change on different dates show more than one value across the year.
| City | Local time | Difference | Across the year |
|---|---|---|---|
| New York United States | 07:29 | −7:30h | Varies: −7:30h / −8:30h |
| Sao Paulo Brazil | 08:29 | −6:30h | Fixed all year |
| London United Kingdom | 12:29 | −2:30h | Varies: −2:30h / −3:30h |
| Tel Aviv Israel | 14:29 | −0:30h | Varies: −0:30h / −1:30h |
| Cairo Egypt | 14:29 | −0:30h | Varies: −0:30h / −1:30h |
| Mumbai India | 16:59 | +2h | Fixed all year |
| Sydney Australia | 21:29 | +6:30h | Varies: +7:30h / +6:30h |
| Los Angeles United States | 04:29 | −10:30h | Varies: −10:30h / −11:30h |
Tehran at a glance
- Country
- Iran
- Region
- Middle East
- Coordinates
- 35.6892° N, 51.3890° E
- IANA time zone
- Asia/Tehran
- Currency
- IRR
- Language
- Persian
- Usual clock notation
- 24-hour
- Also written
- تهران
Only fields we can source are listed; nothing on this page is estimated. Sources are in data sources .
Questions fréquentes
What time is it in Tehran right now?
The clock at the top of this page shows the current local time in Tehran, Iran, updated every second from your device's clock and converted with the Asia/Tehran time zone rules. Tehran currently runs at UTC+3:30 (IRST) all year round.
What time zone is Tehran in?
The IANA identifier for Tehran is Asia/Tehran. Its abbreviation is IRST all year.
What is the UTC offset in Tehran?
Tehran stays at UTC+3:30 throughout the year. Its clocks never move, so the offset shown here is the offset on every date.
Does Tehran observe daylight saving time?
No. Tehran does not use daylight saving time — there is no clock change in 2026, so UTC+3:30 applies on every date. Differences with cities that do change their clocks still move twice a year, because the other city shifts.
What is the time difference between Tehran and New York?
For most of 2026, New York is 7 hours 30 minutes behind Tehran. Because the two places change their clocks on different dates, the gap is 8 hours 30 minutes (New York behind Tehran) from January 1 – March 8 and November 1 – January 1.
What is the time difference between Tehran and Sao Paulo?
The gap is fixed: Sao Paulo is 6 hours 30 minutes behind Tehran on every date of the year.
What is the time difference between Tehran and London?
For most of 2026, London is 2 hours 30 minutes behind Tehran. Because the two places change their clocks on different dates, the gap is 3 hours 30 minutes (London behind Tehran) from January 1 – March 29 and October 25 – January 1.
How long is the day in Tehran?
Day length in Tehran ranges from about 9h 44m at the shortest day of 2026 to about 14h 35m at the longest. The sunrise and sunset section on this page shows today's figures for latitude 35.69°, longitude 51.39°.