ARBT to GMT Time Converter

Convert Arabia Standard Time (ARBT) to Greenwich Mean Time (GMT). Both time zones are shown live below; current offset between them is 2 hours behind.

Riyadh · Arabia Standard Time
13:13:36
Wednesday, May 13, 2026
GMT+3 · UTC+03:00
London · Greenwich Mean Time
11:13:36
Wednesday, May 13, 2026
GMT+1 · UTC+01:00

Convert a specific time

From: ARBT (Riyadh)
To: GMT (London)
--:--

Daylight Saving status right now

ARBT (Arabia 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 ARBT does not. The 2-hour difference shown above will shift by one hour when GMT starts or ends DST.

When can ARBT and GMT meet?

00
01
02
03
04
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09
10
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ARBT
GMT
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Riyadh (ARBT). Each row shows the local working-hours state in that zone for the same moment in time.
6 hours of overlap during standard 9am-5pm working hours.
Best meeting window: 11:00–16:00 ARBT (09:00–14:00 GMT).

Hour-by-hour ARBT to GMT conversion table

ARBT time (Riyadh)GMT time (London)Status
00:00 Wed22:00 TueOff-hours both sides
01:00 Wed23:00 TueOff-hours both sides
02:00 Wed00:00 WedOff-hours both sides
03:00 Wed01:00 WedOff-hours both sides
04:00 Wed02:00 WedOff-hours both sides
05:00 Wed03:00 WedOff-hours both sides
06:00 Wed04:00 WedOff-hours both sides
07:00 Wed05:00 WedOff-hours both sides
08:00 Wed06:00 WedOff-hours both sides
09:00 Wed07:00 WedARBT working
10:00 Wed08:00 WedARBT working
11:00 Wed09:00 WedBoth at work
12:00 Wed10:00 WedBoth at work
13:00 Wed11:00 WedBoth at work
14:00 Wed12:00 WedBoth at work
15:00 Wed13:00 WedBoth at work
16:00 Wed14:00 WedBoth at work
17:00 Wed15:00 WedGMT working
18:00 Wed16:00 WedGMT working
19:00 Wed17:00 WedOff-hours both sides
20:00 Wed18:00 WedOff-hours both sides
21:00 Wed19:00 WedOff-hours both sides
22:00 Wed20:00 WedOff-hours both sides
23:00 Wed21:00 WedOff-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

Arabia Standard Time (ARBT)
IANA identifier
Asia/Riyadh
Current UTC offset
UTC+03:00
Current abbreviation
GMT+3
Major cities in this zone
RiyadhJeddah
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 Riyadh and London

Riyadh
Sunrise
05:12
Sunset
18:29
Solar noon
11:50
Daylight
13h 17m
London
Sunrise
05:13
Sunset
20:43
Solar noon
12:58
Daylight
15h 29m

Related converters

GMT to ARBT (reverse)ARBT to ESTARBT to PSTARBT to UTCARBT to CETARBT to ISTEST to GMTPST to GMTUTC to GMTCET to GMTIST to GMT
Looking for local time? See time in Riyadh or time in London.

Frequently asked questions

What is the time difference between ARBT and GMT right now?+
GMT (Greenwich Mean Time) is currently 2 hours behind ARBT (Arabia Standard Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does ARBT or GMT observe daylight saving time?+
ARBT: does not observe daylight saving time. GMT: observes daylight saving time.
When is the best time to schedule a meeting between ARBT and GMT?+
The strongest overlap is 11:00–16:00 ARBT (09:00–14:00 GMT), giving 6 hours when both sides are within standard 9am-5pm working hours.
What time is it in London when it is 12:00 noon in Riyadh?+
When it is 12:00 Wed in Riyadh (ARBT), it is 10:00 Wed in London (GMT).
Which IANA time zone identifiers are used for ARBT and GMT?+
ARBT maps to "Asia/Riyadh" 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 Riyadh ahead of or behind London?+
Whether Riyadh (ARBT) is ahead of or behind London (GMT) depends on the current UTC offsets. Right now GMT is 2 hours behind ARBT. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for ARBT and GMT?+
ARBT is UTC+03:00 (GMT+3) 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 ARBT and GMT?+
Yes. There are 6 hours of overlap during standard 9am-5pm working hours, with the strongest window at 11:00–16:00 ARBT.