IRT to EST Time Converter

Convert Iran Standard Time (IRT) to Eastern Standard Time (EST). Both time zones are shown live below; current offset between them is 7h 30m behind.

Tehran · Iran Standard Time
03:31:20
Wednesday, May 13, 2026
GMT+3:30 · UTC+03:30
New York · Eastern Standard Time
20:01:20
Tuesday, May 12, 2026
EDT · UTC-04:00

Convert a specific time

From: IRT (Tehran)
To: EST (New York)
--:--

Daylight Saving status right now

IRT (Iran Standard Time)
Observes DST
No
EST (Eastern Standard Time)
Observes DST
Yes
In DST right now
Yes
Next fall back
2026-11-01
Offset shift
UTC-04:00 → UTC-05:00

Heads up: EST observes DST while IRT does not. The 7.5-hour difference shown above will shift by one hour when EST starts or ends DST.

When can IRT and EST meet?

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01
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03
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IRT
EST
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.
No overlap during strict 9-5 working hours; some flexibility needed.
If both sides are willing to extend to 8am-7pm, the available window is 16:00–18:00 IRT (08:30–10:30 EST).

Hour-by-hour IRT to EST conversion table

IRT time (Tehran)EST time (New York)Status
00:00 Wed16:30 TueEST working
01:00 Wed17:30 TueOff-hours both sides
02:00 Wed18:30 TueOff-hours both sides
03:00 Wed19:30 TueOff-hours both sides
04:00 Wed20:30 TueOff-hours both sides
05:00 Wed21:30 TueOff-hours both sides
06:00 Wed22:30 TueOff-hours both sides
07:00 Wed23:30 TueOff-hours both sides
08:00 Wed00:30 WedOff-hours both sides
09:00 Wed01:30 WedIRT working
10:00 Wed02:30 WedIRT working
11:00 Wed03:30 WedIRT working
12:00 Wed04:30 WedIRT working
13:00 Wed05:30 WedIRT working
14:00 Wed06:30 WedIRT working
15:00 Wed07:30 WedIRT working
16:00 Wed08:30 WedIRT working
17:00 Wed09:30 WedEST working
18:00 Wed10:30 WedEST working
19:00 Wed11:30 WedEST working
20:00 Wed12:30 WedEST working
21:00 Wed13:30 WedEST working
22:00 Wed14:30 WedEST working
23:00 Wed15:30 WedEST working

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
Eastern Standard Time (EST)
IANA identifier
America/New_York
Current UTC offset
UTC-04:00
Current abbreviation
EDT
Major cities in this zone
New YorkMiamiAtlantaBostonPhiladelphia

Sun today in Tehran and New York

Tehran
Sunrise
05:02
Sunset
19:01
Solar noon
12:02
Daylight
13h 58m
New York
Sunrise
05:43
Sunset
20:04
Solar noon
12:53
Daylight
14h 20m

Related converters

EST to IRT (reverse)IRT to PSTIRT to GMTIRT to UTCIRT to CETIRT to ISTPST to ESTGMT to ESTUTC to ESTCET to ESTIST to EST
Looking for local time? See time in Tehran or time in New York.

Frequently asked questions

What is the time difference between IRT and EST right now?+
EST (Eastern Standard Time) is currently 7h 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 EST observe daylight saving time?+
IRT: does not observe daylight saving time. EST: observes daylight saving time.
When is the best time to schedule a meeting between IRT and EST?+
Standard 9-5 hours do not overlap. Extending to 8am-7pm gives a window of 16:00–18:00 IRT (08:30–10:30 EST).
What time is it in New York when it is 12:00 noon in Tehran?+
When it is 12:00 Wed in Tehran (IRT), it is 04:30 Wed in New York (EST).
Which IANA time zone identifiers are used for IRT and EST?+
IRT maps to "Asia/Tehran" in the IANA database. EST maps to "America/New_York". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Tehran ahead of or behind New York?+
Whether Tehran (IRT) is ahead of or behind New York (EST) depends on the current UTC offsets. Right now EST is 7h 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 EST?+
IRT is UTC+03:30 (GMT+3:30) and EST is UTC-04:00 (EDT). 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 EST?+
Not during a strict 9am-5pm window. If both sides flex to 8am-7pm, the available meeting window between IRT and EST is 16:00–18:00 IRT.