Current Time in Tehran

About Tehran Time Zone

Tehran is the capital and largest city of Iran, home to approximately 9 million city residents and 16 million in the Greater Tehran Area — making it the largest city in Western Asia. It operates on Iran Standard Time (IRST, UTC+3:30), one of the world's few time zones with a 30-minute offset. Iran also observes Daylight Saving Time (IRDT, UTC+4:30), aligning with the Persian calendar's Nowruz (New Year). Tehran is a city of striking contrasts — modern skyscrapers alongside traditional bazaars, snow-capped Alborz mountains visible to the north, and a rich Persian cultural heritage. The Grand Bazaar of Tehran, one of the oldest and largest bazaars in the Middle East, spans over 10 km of covered streets. Iran has one of the highest numbers of UNESCO World Heritage Sites in Western Asia. Tehran hosts several world-class museums including the National Museum of Iran and the Treasury of National Jewels.

• Time Zone Name: IRST (winter) / IRDT (summer)
• IANA Identifier: Asia/Tehran
• UTC Offset (Winter): UTC+3:30 (IRST)
• UTC Offset (Summer): UTC+4:30 (IRDT)
• DST: Yes — Nowruz (~March 22) to September 22
• Country: Iran
• Coordinates: 35.69°N, 51.39°E
• Population: ~9 million (city) / ~16 million (metro)
• Famous For: Alborz mountain backdrop, Grand Bazaar, National Museum, Crown Jewels, Persian cuisine

Observes IRDT (UTC+4:30) from the day before Nowruz (around March 22) to September 22. The live clock displayed above reflects the real-time local time currently in Tehran, making it an ideal tool for international business coordination, travel planning, remote work scheduling, and staying connected across time zones.

Nearby Cities & Time Zones

The cities listed below represent some of the most prominent urban centers near Tehran, along with their respective local times for easy comparison and scheduling.