GST to GMT Time Converter

Convert Gulf Standard Time (GST) to Greenwich Mean Time (GMT). Both time zones are shown live below; current offset between them is 3 hours behind.

Dubai · Gulf Standard Time
00:55:28
Monday, May 11, 2026
GMT+4 · UTC+04:00
London · Greenwich Mean Time
21:55:28
Sunday, May 10, 2026
GMT+1 · UTC+01:00

Convert a specific time

From: GST (Dubai)
To: GMT (London)
--:--

Daylight Saving status right now

GST (Gulf Standard 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 GST does not. The 3-hour difference shown above will shift by one hour when GMT starts or ends DST.

When can GST 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
GST
GMT
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Dubai (GST). Each row shows the local working-hours state in that zone for the same moment in time.
5 hours of overlap during standard 9am-5pm working hours.
Best meeting window: 12:00–16:00 GST (09:00–13:00 GMT).

Hour-by-hour GST to GMT conversion table

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

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

Gulf Standard Time (GST)
IANA identifier
Asia/Dubai
Current UTC offset
UTC+04:00
Current abbreviation
GMT+4
Major cities in this zone
DubaiAbu Dhabi
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 Dubai and London

Dubai
Sunrise
05:37
Sunset
18:55
Solar noon
12:16
Daylight
13h 17m
London
Sunrise
05:18
Sunset
20:38
Solar noon
12:58
Daylight
15h 20m

Related converters

GMT to GST (reverse)GST to ESTGST to PSTGST to UTCGST to CETGST to ISTEST to GMTPST to GMTUTC to GMTCET to GMTIST to GMT
Looking for local time? See time in Dubai or time in London.

Frequently asked questions

What is the time difference between GST and GMT right now?+
GMT (Greenwich Mean Time) is currently 3 hours behind GST (Gulf Standard Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does GST or GMT observe daylight saving time?+
GST: does not observe daylight saving time. GMT: observes daylight saving time.
When is the best time to schedule a meeting between GST and GMT?+
The strongest overlap is 12:00–16:00 GST (09:00–13:00 GMT), giving 5 hours when both sides are within standard 9am-5pm working hours.
What time is it in London when it is 12:00 noon in Dubai?+
When it is 12:00 Mon in Dubai (GST), it is 09:00 Mon in London (GMT).
Which IANA time zone identifiers are used for GST and GMT?+
GST maps to "Asia/Dubai" 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 Dubai ahead of or behind London?+
Whether Dubai (GST) is ahead of or behind London (GMT) depends on the current UTC offsets. Right now GMT is 3 hours behind GST. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for GST and GMT?+
GST is UTC+04:00 (GMT+4) 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 GST and GMT?+
Yes. There are 5 hours of overlap during standard 9am-5pm working hours, with the strongest window at 12:00–16:00 GST.