IRT to UTC Time Converter

Convert Iran Standard Time (IRT) to Coordinated Universal Time (UTC). Both time zones are shown live below; current offset between them is 3h 30m behind.

Tehran · Iran Standard Time
10:51:54
Monday, May 11, 2026
GMT+3:30 · UTC+03:30
UTC · Coordinated Universal Time
07:21:54
Monday, May 11, 2026
UTC · UTC+00:00

Convert a specific time

From: IRT (Tehran)
To: UTC (UTC)
--:--

Daylight Saving status right now

IRT (Iran Standard Time)
Observes DST
No
UTC (Coordinated Universal Time)
Observes DST
No

When can IRT and UTC meet?

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IRT
UTC
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Tehran (IRT). Each row shows the local working-hours state in that zone for the same moment in time.
4 hours of overlap during standard 9am-5pm working hours.
Best meeting window: 13:00–16:00 IRT (09:30–12:30 UTC).

Hour-by-hour IRT to UTC conversion table

IRT time (Tehran)UTC time (UTC)Status
00:00 Mon20:30 SunOff-hours both sides
01:00 Mon21:30 SunOff-hours both sides
02:00 Mon22:30 SunOff-hours both sides
03:00 Mon23:30 SunOff-hours both sides
04:00 Mon00:30 MonOff-hours both sides
05:00 Mon01:30 MonOff-hours both sides
06:00 Mon02:30 MonOff-hours both sides
07:00 Mon03:30 MonOff-hours both sides
08:00 Mon04:30 MonOff-hours both sides
09:00 Mon05:30 MonIRT working
10:00 Mon06:30 MonIRT working
11:00 Mon07:30 MonIRT working
12:00 Mon08:30 MonIRT working
13:00 Mon09:30 MonBoth at work
14:00 Mon10:30 MonBoth at work
15:00 Mon11:30 MonBoth at work
16:00 Mon12:30 MonBoth at work
17:00 Mon13:30 MonUTC working
18:00 Mon14:30 MonUTC working
19:00 Mon15:30 MonUTC working
20:00 Mon16:30 MonUTC working
21:00 Mon17:30 MonOff-hours both sides
22:00 Mon18:30 MonOff-hours both sides
23:00 Mon19:30 MonOff-hours both sides

Times computed for today in each zone using the IANA time zone database. The conversion accounts for daylight saving time wherever applicable.

About these time zones

Iran Standard Time (IRT)
IANA identifier
Asia/Tehran
Current UTC offset
UTC+03:30
Current abbreviation
GMT+3:30
Major cities in this zone
TehranIsfahan
Coordinated Universal Time (UTC)
IANA identifier
UTC
Current UTC offset
UTC+00:00
Current abbreviation
UTC
Major cities in this zone
UTC

Sun today in Tehran and UTC

Tehran
Sunrise
05:04
Sunset
18:59
Solar noon
12:02
Daylight
13h 55m

Related converters

UTC to IRT (reverse)IRT to ESTIRT to PSTIRT to GMTIRT to CETIRT to ISTEST to UTCPST to UTCGMT to UTCCET to UTCIST to UTC
Looking for local time? See time in Tehran or time in UTC.

Frequently asked questions

What is the time difference between IRT and UTC right now?+
UTC (Coordinated Universal Time) is currently 3h 30m behind IRT (Iran Standard Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does IRT or UTC observe daylight saving time?+
IRT: does not observe daylight saving time. UTC: does not observe daylight saving time.
When is the best time to schedule a meeting between IRT and UTC?+
The strongest overlap is 13:00–16:00 IRT (09:30–12:30 UTC), giving 4 hours when both sides are within standard 9am-5pm working hours.
What time is it in UTC when it is 12:00 noon in Tehran?+
When it is 12:00 Mon in Tehran (IRT), it is 08:30 Mon in UTC (UTC).
Which IANA time zone identifiers are used for IRT and UTC?+
IRT maps to "Asia/Tehran" in the IANA database. UTC maps to "UTC". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Tehran ahead of or behind UTC?+
Whether Tehran (IRT) is ahead of or behind UTC (UTC) depends on the current UTC offsets. Right now UTC is 3h 30m behind IRT. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for IRT and UTC?+
IRT is UTC+03:30 (GMT+3:30) and UTC is UTC+00:00 (UTC). Both offsets shift by one hour when the corresponding region enters or exits daylight saving time, so the live values on this page are the source of truth.
Can I schedule meetings during business hours for both IRT and UTC?+
Yes. There are 4 hours of overlap during standard 9am-5pm working hours, with the strongest window at 13:00–16:00 IRT.