How do I convert GST to GMT?

To convert GST to GMT, use our free time converter tool. Enter the time in Gulf Standard Time and instantly see the equivalent time in Greenwich Mean Time. The converter automatically accounts for Daylight Saving Time.

What time is it in London when it's noon in Dubai?

When it's 12:00 PM (noon) in Dubai (GST), the time in London (GMT) depends on the current UTC offset of both zones. Use our converter to get the exact current conversion.

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

22:28:22

Tuesday, May 5, 2026

GMT+4 · UTC+04:00

London · Greenwich Mean Time

19:28:22

Tuesday, May 5, 2026

GMT+1 · UTC+01:00

Convert a specific time

From: GST (Dubai)

To: GMT (London)

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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?

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 Tue	21:00 Mon	Off-hours both sides
01:00 Tue	22:00 Mon	Off-hours both sides
02:00 Tue	23:00 Mon	Off-hours both sides
03:00 Tue	00:00 Tue	Off-hours both sides
04:00 Tue	01:00 Tue	Off-hours both sides
05:00 Tue	02:00 Tue	Off-hours both sides
06:00 Tue	03:00 Tue	Off-hours both sides
07:00 Tue	04:00 Tue	Off-hours both sides
08:00 Tue	05:00 Tue	Off-hours both sides
09:00 Tue	06:00 Tue	GST working
10:00 Tue	07:00 Tue	GST working
11:00 Tue	08:00 Tue	GST working
12:00 Tue	09:00 Tue	Both at work
13:00 Tue	10:00 Tue	Both at work
14:00 Tue	11:00 Tue	Both at work
15:00 Tue	12:00 Tue	Both at work
16:00 Tue	13:00 Tue	Both at work
17:00 Tue	14:00 Tue	GMT working
18:00 Tue	15:00 Tue	GMT working
19:00 Tue	16:00 Tue	GMT working
20:00 Tue	17:00 Tue	Off-hours both sides
21:00 Tue	18:00 Tue	Off-hours both sides
22:00 Tue	19:00 Tue	Off-hours both sides
23:00 Tue	20:00 Tue	Off-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

05:41

Sunset

18:52

Solar noon

12:16

Daylight

13h 10m

London

Sunrise

05:26

Sunset

20:30

Solar noon

12:58

Daylight

15h 3m

Related converters

GMT to GST (reverse)GST to EST GST to PST GST to UTC GST to CET GST to IST EST to GMT PST to GMT UTC to GMT CET to GMT IST 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 Tue in Dubai (GST), it is 09:00 Tue 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.