How do I convert GMT to GST?

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

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

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

GMT to GST Time Converter

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

London · Greenwich Mean Time

19:28:20

Tuesday, May 5, 2026

GMT+1 · UTC+01:00

Dubai · Gulf Standard Time

22:28:20

Tuesday, May 5, 2026

GMT+4 · UTC+04:00

Convert a specific time

From: GMT (London)

To: GST (Dubai)

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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

GST (Gulf Standard Time)

Observes DST: No

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 GMT and GST meet?

5 hours of overlap during standard 9am-5pm working hours.

Best meeting window: 09:00–13:00 GMT (12:00–16:00 GST).

Hour-by-hour GMT to GST conversion table

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

Greenwich Mean Time (GMT)

IANA identifier: Europe/London
Current UTC offset: UTC+01:00
Current abbreviation: GMT+1

Major cities in this zone

LondonManchesterEdinburghBirmingham

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

Sun today in London and Dubai

London

Sunrise

05:26

Sunset

20:30

Solar noon

12:58

Daylight

15h 3m

Dubai

Sunrise

05:41

Sunset

18:52

Solar noon

12:16

Daylight

13h 10m

Related converters

GST to GMT (reverse)GMT to EST GMT to PST GMT to UTC GMT to CET GMT to IST EST to GST PST to GST UTC to GST CET to GST IST to GST

Looking for local time? See time in London or time in Dubai.

Frequently asked questions

What is the time difference between GMT and GST right now?+

GST (Gulf Standard Time) is currently 3 hours ahead 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 GST observe daylight saving time?+

GMT: observes daylight saving time. GST: does not observe daylight saving time.

When is the best time to schedule a meeting between GMT and GST?+

The strongest overlap is 09:00–13:00 GMT (12:00–16:00 GST), giving 5 hours when both sides are within standard 9am-5pm working hours.

What time is it in Dubai when it is 12:00 noon in London?+

When it is 12:00 Tue in London (GMT), it is 15:00 Tue in Dubai (GST).

Which IANA time zone identifiers are used for GMT and GST?+

GMT maps to "Europe/London" in the IANA database. GST maps to "Asia/Dubai". These identifiers are what most software libraries use to convert times accurately, including DST handling.