IRST stands for Iran Standard Time. It is UTC+3:30 from Coordinated Universal Time (UTC).IRST is used in the Middle East region and corresponds to the Asia/Tehran IANA timezone.
IRST stands for Iran Standard Time. It is UTC+3:30 from Coordinated Universal Time (UTC).
The UTC offset for Iran Standard Time (IRST) is UTC+3:30. This means IRST is +3:30 hours from Coordinated Universal Time.
IRST is used by locations in the Asia/Tehran timezone region (Middle East). Use the converter below to convert IRST to other time zones like EST, PST, or GMT.
UTC+3:30
When it's 04:27:31 AM in IRST, here's the time in other major cities:
Scheduling meetings with teams in Iran Standard Time? Here are the recommended windows:
IRST stands for Iran Standard Time. It is UTC+3:30 from Coordinated Universal Time (UTC).
The current time in Iran Standard Time (IRST) is 04:27:31 AM on Thursday, March 12, 2026.IRST is UTC+3:30. This page displays a live, automatically updating clock for IRST.
Major cities using IRST include Tehran, Mashhad, Isfahan, Karaj, Shiraz, and more. IRST is observed in 1 countries including Iran.
IRST may or may not observe Daylight Saving Time depending on the specific location. Check individual city pages for accurate DST information.
To convert IRST to Eastern Standard Time (EST), you need to account for the UTC offset difference.IRST is UTC+3:30, while EST is UTC-5. Use our time zone converter for instant, accurate conversions.
The best time to schedule a meeting in IRST is during standard business hours: 9:00 AM to 5:00 PM IRST. For cross-timezone meetings, use our meeting planner to find optimal overlap times.
The UTC offset for Iran Standard Time (IRST) is UTC+3:30. This means IRST is +3:30 hours from Coordinated Universal Time.
IRST is +3:30 hours from GMT (Greenwich Mean Time). GMT and UTC are effectively the same for time zone calculations. So when it's 12:00 PM (noon) in GMT, it's 3:00 PM in IRST.