Convert Iran Standard Time to Coordinated Universal Time - Quick & Accurate
Updates live every second
Hover over any hour to see corresponding time in both zones
To schedule a meeting between IRT and UTC:
Pro Tip: Schedule calls during the overlap window for optimal convenience for both time zones
| IRT Time | UTC Time | Context |
|---|---|---|
| 12:00 AM | 08:30 PM | Midnight IRT |
| 01:00 AM | 09:30 PM | Late Night |
| 02:00 AM | 10:30 PM | Late Night |
| 03:00 AM | 11:30 PM | Late Night |
| 04:00 AM | 12:30 AM | Late Night |
| 05:00 AM | 01:30 AM | Late Night |
| 06:00 AM | 02:30 AM | Early Morning IRT |
| 07:00 AM | 03:30 AM | Night Time |
| 08:00 AM | 04:30 AM | Night Time |
| 09:00 AM | 05:30 AM | Work Starts IRT |
| 10:00 AM | 06:30 AM | Night Time |
| 11:00 AM | 07:30 AM | Night Time |
Tehran
Asia/Tehran
UTC
UTC
UTC (Coordinated Universal Time) is 3.5 hours behind IRT (Iran Standard Time). This means when it's 12:00 PM in Tehran (IRT), it's 8:30 AM in UTC (UTC).
The best time to call from IRT to UTC is during overlapping business hours. For IRT callers, schedule between 12:00 PM - 5:00 PM IRT to ensure both parties are within standard business hours.
The time difference may change during daylight saving transitions if one region observes DST while the other doesn't. Iran Standard Time (UTC+3:30 (IRST) / UTC+4:30 (IRDT)) and Coordinated Universal Time (UTC+0) may have different DST schedules.
IRT includes cities like Tehran. UTC includes cities like UTC. Both time zones cover important business and cultural centers.
In 2025, DST in North America starts on March 9 at 2:00 AM and ends on November 2 at 2:00 AM. Other regions may have different DST schedules or not observe DST at all.