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Tehran, Iran
9:49:07 AM
Saturday, September 12, 2026
Time in Tehran – Current Local Time
Live local time, IRST clock, UTC offset, and time differences for Tehran, Iran.
Timezone: IRST (Asia/Tehran)Offset: UTC+3:30DST: Not observed (constant all year)
Tehran is situated in Iran (Asia) and observes the Asia/Tehran (IRST) time standard at UTC+3:30 from Coordinated Universal Time (UTC). Tehran maintains a constant UTC+3:30 offset year-round, without seasonal Daylight Saving Time transitions.
The live clock above reflects current civil time to the second, providing accurate local hours for travel planning, cross-border meeting coordination, and international communications.
Time zone data verified and last updated: September 12, 2026
Timezone
Asia/Tehran
Country
Iran
Region
Asia
How Many Hours Ahead or Behind is Tehran?
Calculated time differences between Tehran (UTC+3:30) and major international business hubs, dynamically accounting for active Daylight Saving Time shifts.
| Financial Hub | Current Timezone | Tehran Status | Time at 12:00 PM in Tehran |
|---|---|---|---|
| New YorkUnited States | EST/EDT | Tehran is 7 hours 30 minutes ahead | 4:30 AM |
| LondonUnited Kingdom | GMT/BST | Tehran is 2 hours 30 minutes ahead | 9:30 AM |
| TokyoJapan | JST | Tehran is 5 hours 30 minutes behind | 5:30 PM |
| SydneyAustralia | AEST/AEDT | Tehran is 6 hours 30 minutes behind | 6:30 PM |
Convert IRST Time to Other Major Zones
Frequently Asked Questions About Time in Tehran
What time is it in Tehran right now?
The live clock at the top of this page shows the exact current time in Tehran, Iran, updated every second. Tehran is on IRST (UTC+3:30 from UTC).
What time zone is Tehran in?
Tehran uses the Asia/Tehran time zone (IRST), which is UTC+3:30 from Coordinated Universal Time. This offset stays the same all year because Tehran does not observe Daylight Saving Time.
What is the time difference between Tehran and New York?
Tehran is currently 7 hours 30 minutes ahead of New York. When it is 9:00 AM in New York, it is 4:30 PM in Tehran. This accounts for any Daylight Saving Time in effect.
What is the time difference between Tehran and London?
Tehran is currently 2 hours 30 minutes ahead of London. When it is 9:00 AM in London, it is 11:30 AM in Tehran. This accounts for any Daylight Saving Time in effect.
Does Tehran observe Daylight Saving Time?
No. Tehran does not observe Daylight Saving Time, so its UTC+3:30 offset from UTC stays constant throughout the year.
When is the best time to schedule a call with someone in Tehran?
Standard business hours in Tehran are 9:00 AM to 5:00 PM local time (IRST). Use the timeline planner on this page to line up Tehran's working hours with your own time zone and find an overlap that suits both sides.
Other Cities in Asia
Tehran at a Glance
UTC Offset
UTC+3:30
DST Observed
No
Tehran Time & Location Profile
Timezone Identifier
Asia/Tehran (IRST)
Current UTC Offset
UTC+3:30
Daylight Saving Time
Not Observed (fixed offset year-round)
Country & Region
Iran • Asia
Planning a Trip or Call to Tehran?
✈️ Flight & Airport Details
When booking travel to Tehran, remember to account for the local time difference—Tehran is UTC+3:30 from UTC. Adjust your watch upon arrival to adjust to local routines.
💼 Business Hours & Scheduling
Tehran does not observe Daylight Saving Time, keeping international scheduling calculations consistent all year at UTC+3:30.