IRT to PST Time Converter

Convert Iran Standard Time (IRT) to Pacific Standard Time (PST). Both time zones are shown live below; current offset between them is 10h 30m behind.

Tehran · Iran Standard Time
00:42:43
Wednesday, May 13, 2026
GMT+3:30 · UTC+03:30
Los Angeles · Pacific Standard Time
14:12:43
Tuesday, May 12, 2026
PDT · UTC-07:00

Convert a specific time

From: IRT (Tehran)
To: PST (Los Angeles)
--:--

Daylight Saving status right now

IRT (Iran Standard Time)
Observes DST
No
PST (Pacific Standard Time)
Observes DST
Yes
In DST right now
Yes
Next fall back
2026-11-01
Offset shift
UTC-07:00 → UTC-08:00

Heads up: PST observes DST while IRT does not. The 10.5-hour difference shown above will shift by one hour when PST starts or ends DST.

When can IRT and PST meet?

00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
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17
18
19
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21
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23
IRT
PST
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 business-hours overlap exists between IRT and PST.
The two zones are too far apart for synchronous meetings during normal working hours. Plan async or schedule outside 9-5 on at least one side.

Hour-by-hour IRT to PST conversion table

IRT time (Tehran)PST time (Los Angeles)Status
00:00 Wed13:30 TuePST working
01:00 Wed14:30 TuePST working
02:00 Wed15:30 TuePST working
03:00 Wed16:30 TuePST working
04:00 Wed17:30 TueOff-hours both sides
05:00 Wed18:30 TueOff-hours both sides
06:00 Wed19:30 TueOff-hours both sides
07:00 Wed20:30 TueOff-hours both sides
08:00 Wed21:30 TueOff-hours both sides
09:00 Wed22:30 TueIRT working
10:00 Wed23:30 TueIRT working
11:00 Wed00:30 WedIRT working
12:00 Wed01:30 WedIRT working
13:00 Wed02:30 WedIRT working
14:00 Wed03:30 WedIRT working
15:00 Wed04:30 WedIRT working
16:00 Wed05:30 WedIRT working
17:00 Wed06:30 WedOff-hours both sides
18:00 Wed07:30 WedOff-hours both sides
19:00 Wed08:30 WedOff-hours both sides
20:00 Wed09:30 WedPST working
21:00 Wed10:30 WedPST working
22:00 Wed11:30 WedPST working
23:00 Wed12:30 WedPST 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
Pacific Standard Time (PST)
IANA identifier
America/Los_Angeles
Current UTC offset
UTC-07:00
Current abbreviation
PDT
Major cities in this zone
Los AngelesSan FranciscoSeattlePortlandSan Diego

Sun today in Tehran and Los Angeles

Tehran
Sunrise
05:02
Sunset
19:01
Solar noon
12:02
Daylight
13h 58m
Los Angeles
Sunrise
05:55
Sunset
19:46
Solar noon
12:50
Daylight
13h 51m

Related converters

PST to IRT (reverse)IRT to ESTIRT to GMTIRT to UTCIRT to CETIRT to ISTEST to PSTGMT to PSTUTC to PSTCET to PSTIST to PST
Looking for local time? See time in Tehran or time in Los Angeles.

Frequently asked questions

What is the time difference between IRT and PST right now?+
PST (Pacific Standard Time) is currently 10h 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 PST observe daylight saving time?+
IRT: does not observe daylight saving time. PST: observes daylight saving time.
When is the best time to schedule a meeting between IRT and PST?+
IRT and PST have no business-hour overlap, even at the edges of a typical workday. Async collaboration or non-9-5 scheduling is the practical choice.
What time is it in Los Angeles when it is 12:00 noon in Tehran?+
When it is 12:00 Wed in Tehran (IRT), it is 01:30 Wed in Los Angeles (PST).
Which IANA time zone identifiers are used for IRT and PST?+
IRT maps to "Asia/Tehran" in the IANA database. PST maps to "America/Los_Angeles". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Tehran ahead of or behind Los Angeles?+
Whether Tehran (IRT) is ahead of or behind Los Angeles (PST) depends on the current UTC offsets. Right now PST is 10h 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 PST?+
IRT is UTC+03:30 (GMT+3:30) and PST is UTC-07:00 (PDT). 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 PST?+
No standard business-hours overlap exists between IRT and PST. Plan asynchronous work or schedule outside 9-5 on at least one side.