GMT to PDT Time Converter

Convert Greenwich Mean Time (GMT) to Pacific Daylight Time (PDT). Both time zones are shown live below; current offset between them is 8 hours behind.

London · Greenwich Mean Time
04:42:16
Monday, May 11, 2026
GMT+1 · UTC+01:00
Los Angeles · Pacific Daylight Time
20:42:16
Sunday, May 10, 2026
PDT · UTC-07:00

Convert a specific time

From: GMT (London)
To: PDT (Los Angeles)
--:--

Daylight Saving status right now

GMT (Greenwich Mean Time)
Observes DST
Yes
In DST right now
Yes
Next fall back
2026-10-25
Offset shift
UTC+01:00 → UTC+00:00
PDT (Pacific Daylight Time)
Observes DST
Yes
In DST right now
Yes
Next fall back
2026-11-01
Offset shift
UTC-07:00 → UTC-08:00

When can GMT and PDT 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
GMT
PDT
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in London (GMT). 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 GMT (08:00–10:00 PDT).

Hour-by-hour GMT to PDT conversion table

GMT time (London)PDT time (Los Angeles)Status
00:00 Mon16:00 SunPDT 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 MonGMT working
10:00 Mon02:00 MonGMT working
11:00 Mon03:00 MonGMT working
12:00 Mon04:00 MonGMT working
13:00 Mon05:00 MonGMT working
14:00 Mon06:00 MonGMT working
15:00 Mon07:00 MonGMT working
16:00 Mon08:00 MonGMT working
17:00 Mon09:00 MonPDT working
18:00 Mon10:00 MonPDT working
19:00 Mon11:00 MonPDT working
20:00 Mon12:00 MonPDT working
21:00 Mon13:00 MonPDT working
22:00 Mon14:00 MonPDT working
23:00 Mon15:00 MonPDT 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

Greenwich Mean Time (GMT)
IANA identifier
Europe/London
Current UTC offset
UTC+01:00
Current abbreviation
GMT+1
Major cities in this zone
LondonManchesterEdinburghBirmingham
Pacific Daylight Time (PDT)
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 London and Los Angeles

London
Sunrise
05:16
Sunset
20:39
Solar noon
12:58
Daylight
15h 23m
Los Angeles
Sunrise
05:56
Sunset
19:44
Solar noon
12:50
Daylight
13h 48m

Related converters

PDT to GMT (reverse)GMT to ESTGMT to PSTGMT to UTCGMT to CETGMT to ISTEST to PDTPST to PDTUTC to PDTCET to PDTIST to PDT
Looking for local time? See time in London or time in Los Angeles.

Frequently asked questions

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