WST to GMT Time Converter

Convert Samoa Time (WST) to Greenwich Mean Time (GMT). Both time zones are shown live below; current offset between them is 12 hours behind.

Apia · Samoa Time
21:54:36
Monday, May 11, 2026
GMT+13 · UTC+13:00
London · Greenwich Mean Time
09:54:36
Monday, May 11, 2026
GMT+1 · UTC+01:00

Convert a specific time

From: WST (Apia)
To: GMT (London)
--:--

Daylight Saving status right now

WST (Samoa Time)
Observes DST
No
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

Heads up: GMT observes DST while WST does not. The 12-hour difference shown above will shift by one hour when GMT starts or ends DST.

When can WST and GMT 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
WST
GMT
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Apia (WST). Each row shows the local working-hours state in that zone for the same moment in time.
No business-hours overlap exists between WST and GMT.
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 WST to GMT conversion table

WST time (Apia)GMT time (London)Status
00:00 Mon12:00 SunGMT working
01:00 Mon13:00 SunGMT working
02:00 Mon14:00 SunGMT working
03:00 Mon15:00 SunGMT working
04:00 Mon16:00 SunGMT working
05:00 Mon17:00 SunOff-hours both sides
06:00 Mon18:00 SunOff-hours both sides
07:00 Mon19:00 SunOff-hours both sides
08:00 Mon20:00 SunOff-hours both sides
09:00 Mon21:00 SunWST working
10:00 Mon22:00 SunWST working
11:00 Mon23:00 SunWST working
12:00 Mon00:00 MonWST working
13:00 Mon01:00 MonWST working
14:00 Mon02:00 MonWST working
15:00 Mon03:00 MonWST working
16:00 Mon04:00 MonWST working
17:00 Mon05:00 MonOff-hours both sides
18:00 Mon06:00 MonOff-hours both sides
19:00 Mon07:00 MonOff-hours both sides
20:00 Mon08:00 MonOff-hours both sides
21:00 Mon09:00 MonGMT working
22:00 Mon10:00 MonGMT working
23:00 Mon11:00 MonGMT 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

Samoa Time (WST)
IANA identifier
Pacific/Apia
Current UTC offset
UTC+13:00
Current abbreviation
GMT+13
Major cities in this zone
Apia
Greenwich Mean Time (GMT)
IANA identifier
Europe/London
Current UTC offset
UTC+01:00
Current abbreviation
GMT+1
Major cities in this zone
LondonManchesterEdinburghBirmingham

Sun today in Apia and London

London
Sunrise
05:16
Sunset
20:39
Solar noon
12:58
Daylight
15h 23m

Related converters

GMT to WST (reverse)WST to ESTWST to PSTWST to UTCWST to CETWST to ISTEST to GMTPST to GMTUTC to GMTCET to GMTIST to GMT
Looking for local time? See time in Apia or time in London.

Frequently asked questions

What is the time difference between WST and GMT right now?+
GMT (Greenwich Mean Time) is currently 12 hours behind WST (Samoa Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does WST or GMT observe daylight saving time?+
WST: does not observe daylight saving time. GMT: observes daylight saving time.
When is the best time to schedule a meeting between WST and GMT?+
WST and GMT 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 London when it is 12:00 noon in Apia?+
When it is 12:00 Mon in Apia (WST), it is 00:00 Mon in London (GMT).
Which IANA time zone identifiers are used for WST and GMT?+
WST maps to "Pacific/Apia" in the IANA database. GMT maps to "Europe/London". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Apia ahead of or behind London?+
Whether Apia (WST) is ahead of or behind London (GMT) depends on the current UTC offsets. Right now GMT is 12 hours behind WST. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for WST and GMT?+
WST is UTC+13:00 (GMT+13) and GMT is UTC+01:00 (GMT+1). 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 WST and GMT?+
No standard business-hours overlap exists between WST and GMT. Plan asynchronous work or schedule outside 9-5 on at least one side.