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Current Time in Tehran, Iran

Q: What timezone is Tehran in?

Tehran is in the IRST/IRDT timezone. The IANA timezone identifier is Asia/Tehran. The UTC offset is +3:30 in winter and +4:30 in summer.

Q: What is the UTC offset for Tehran?

Tehran's UTC offset is UTC+3:30 in winter and UTC+4:30 in summer. UTC offset means how many hours ahead of or behind Coordinated Universal Time (UTC) the local time is.

Q: What continent is Tehran in?

Tehran is located in Middle East. It is the 9.2 million population city in Iran.

Iran · IRST/IRDT · UTC+3:30 / UTC+4:30 (DST)

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Asia/Tehran

Tehran Timezone Details

Timezone	IRST/IRDT
UTC Offset (standard)	UTC+3:30
UTC Offset (summer/DST)	UTC+4:30
Daylight Saving Time	Yes (observed)
IANA Timezone ID	Asia/Tehran
Country	Iran
Population	9.2 million

Live Time Comparison — Tehran

All times update every second

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📞 Best Time to Call Tehran

Find the best hours for a call between Tehran (IRST/IRDT, UTC+3:30) and another city.

Calling to:

✈ Tehran Airport & Flight Time Calculator

✈ IKA Imam Khomeini International

Estimate flight time from:

About Tehran Time Zone (IRST/IRDT)

Tehran, the capital of Iran, uses Iran Standard Time (IRST, UTC+3:30) in winter and Iran Daylight Time (IRDT, UTC+4:30) in summer. Iran's half-hour offset makes it unique among major Middle Eastern cities.

Key fact: Tehran is 3.5 hours ahead of UTC in winter, between Moscow (UTC+3) and Dubai (UTC+4).

Use the live clock at the top of this page to see the exact current time in Tehran with seconds. The clock updates every second and uses your browser's timezone database for accuracy.

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Frequently Asked Questions — Tehran Time

What time is it in Tehran right now? +

The current time in Tehran, Iran is displayed by the live clock at the top of this page. Tehran is in the IRST/IRDT timezone (UTC+3:30 in winter, UTC+4:30 in summer).

What timezone is Tehran in? +

Tehran is in the IRST/IRDT timezone. The IANA timezone identifier is Asia/Tehran. The UTC offset is +3:30 in winter and +4:30 in summer.

Does Tehran observe Daylight Saving Time? +

Yes, Tehran observes Daylight Saving Time (DST). Clocks are set forward in spring and back in autumn. In winter, the UTC offset is +3:30; in summer it is +4:30.

What is the UTC offset for Tehran? +

Tehran's UTC offset is UTC+3:30 in winter and UTC+4:30 in summer. UTC offset means how many hours ahead of or behind Coordinated Universal Time (UTC) the local time is.

What is the time difference between Tehran and London? +

Tehran (IRST/IRDT) is UTC+3:30. London (GMT/BST) is UTC+0 in winter and UTC+1 in summer. Tehran is 3.5 hours ahead of UTC in winter, between Moscow (UTC+3) and Dubai (UTC+4).

How do I convert Tehran time to UTC? +

To convert Tehran time to UTC, subtract UTC+3:30 from the local time. For example, if it is 15:00 in Tehran and the UTC offset is UTC+3:30, you calculate backward to find the UTC equivalent. Use the conversion table on this page for real-time values.

What continent is Tehran in? +

Tehran is located in Middle East. It is the 9.2 million population city in Iran.

What is the IANA timezone name for Tehran? +

The IANA (Internet Assigned Numbers Authority) timezone database identifier for Tehran is Asia/Tehran. This is the official timezone name used in programming languages and operating systems.

What time is sunrise in Tehran today? +

Today's sunrise and sunset times for Tehran are displayed live in the weather panel at the top of this page. The exact times update daily based on Tehran's latitude and the current date. Sunrise typically varies between approximately 5:00–8:00 AM depending on the season, with the earliest sunrises around the summer solstice (June) and the latest around the winter solstice (December).

What time does it get dark in Tehran? +

Sunset times in Tehran are shown live at the top of this page. Sunset varies by season: in summer, the sun may set as late as 8:00–9:00 PM, while in winter, sunset can occur as early as 4:00–5:00 PM. Check the live display for today's exact sunset time.

How long is a flight from Tehran? +

Use the flight time calculator on this page to estimate flight times from Imam Khomeini International (IKA) to any of 150+ airports worldwide. The calculator uses the Haversine formula for great-circle distance at 850 km/h cruise speed plus 45 minutes ground time. Popular searches: flight time from Tehran to London, Tehran to New York, Tehran to Dubai, Tehran to Tokyo.