IRST to PST Time Converter

Convert Irish Standard Time (IRST) to Pacific Standard Time (PST). Both time zones are shown live below; current offset between them is 8 hours behind.

Dublin · Irish Standard Time
18:23:50
Monday, May 11, 2026
GMT+1 · UTC+01:00
Los Angeles · Pacific Standard Time
10:23:50
Monday, May 11, 2026
PDT · UTC-07:00

Convert a specific time

From: IRST (Dublin)
To: PST (Los Angeles)
--:--

Daylight Saving status right now

IRST (Irish Standard Time)
Observes DST
Yes
In DST right now
Yes
Next fall back
2026-10-25
Offset shift
UTC+01:00UTC+00:00
PST (Pacific Standard Time)
Observes DST
Yes
In DST right now
Yes
Next fall back
2026-11-01
Offset shift
UTC-07:00UTC-08:00

When can IRST and PST meet?

00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
IRST
PST
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Dublin (IRST). 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 16:0018:00 IRST (08:0010:00 PST).

Hour-by-hour IRST to PST conversion table

IRST time (Dublin)PST time (Los Angeles)Status
00:00 Mon16:00 SunPST working
01:00 Mon17:00 SunOff-hours both sides
02:00 Mon18:00 SunOff-hours both sides
03:00 Mon19:00 SunOff-hours both sides
04:00 Mon20:00 SunOff-hours both sides
05:00 Mon21:00 SunOff-hours both sides
06:00 Mon22:00 SunOff-hours both sides
07:00 Mon23:00 SunOff-hours both sides
08:00 Mon00:00 MonOff-hours both sides
09:00 Mon01:00 MonIRST working
10:00 Mon02:00 MonIRST working
11:00 Mon03:00 MonIRST working
12:00 Mon04:00 MonIRST working
13:00 Mon05:00 MonIRST working
14:00 Mon06:00 MonIRST working
15:00 Mon07:00 MonIRST working
16:00 Mon08:00 MonIRST working
17:00 Mon09:00 MonPST working
18:00 Mon10:00 MonPST working
19:00 Mon11:00 MonPST working
20:00 Mon12:00 MonPST working
21:00 Mon13:00 MonPST working
22:00 Mon14:00 MonPST working
23:00 Mon15:00 MonPST 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

Irish Standard Time (IRST)
IANA identifier
Europe/Dublin
Current UTC offset
UTC+01:00
Current abbreviation
GMT+1
Major cities in this zone
Dublin
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 Dublin and Los Angeles

Los Angeles
Sunrise
05:55
Sunset
19:45
Solar noon
12:50
Daylight
13h 49m

Related converters

Looking for local time? See time in Dublin or time in Los Angeles.

Frequently asked questions

What is the time difference between IRST and PST right now?+
PST (Pacific Standard Time) is currently 8 hours behind IRST (Irish Standard Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does IRST or PST observe daylight saving time?+
IRST: observes daylight saving time. PST: observes daylight saving time.
When is the best time to schedule a meeting between IRST and PST?+
Standard 9-5 hours do not overlap. Extending to 8am-7pm gives a window of 16:00–18:00 IRST (08:00–10:00 PST).
What time is it in Los Angeles when it is 12:00 noon in Dublin?+
When it is 12:00 Mon in Dublin (IRST), it is 04:00 Mon in Los Angeles (PST).
Which IANA time zone identifiers are used for IRST and PST?+
IRST maps to "Europe/Dublin" 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 Dublin ahead of or behind Los Angeles?+
Whether Dublin (IRST) is ahead of or behind Los Angeles (PST) depends on the current UTC offsets. Right now PST is 8 hours behind IRST. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for IRST and PST?+
IRST is UTC+01:00 (GMT+1) 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 IRST and PST?+
Not during a strict 9am-5pm window. If both sides flex to 8am-7pm, the available meeting window between IRST and PST is 16:00–18:00 IRST.