ART to GMT Time Converter

Convert Argentina Time (ART) to Greenwich Mean Time (GMT). Both time zones are shown live below; current offset between them is 4 hours ahead.

Buenos Aires · Argentina Time
23:51:33
Sunday, May 10, 2026
GMT-3 · UTC-03:00
London · Greenwich Mean Time
03:51:33
Monday, May 11, 2026
GMT+1 · UTC+01:00

Convert a specific time

From: ART (Buenos Aires)
To: GMT (London)
--:--

Daylight Saving status right now

ART (Argentina 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 ART does not. The 4-hour difference shown above will shift by one hour when GMT starts or ends DST.

When can ART and GMT meet?

00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
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19
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21
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23
ART
GMT
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Buenos Aires (ART). Each row shows the local working-hours state in that zone for the same moment in time.
4 hours of overlap during standard 9am-5pm working hours.
Best meeting window: 09:00–12:00 ART (13:00–16:00 GMT).

Hour-by-hour ART to GMT conversion table

ART time (Buenos Aires)GMT time (London)Status
00:00 Sun04:00 SunOff-hours both sides
01:00 Sun05:00 SunOff-hours both sides
02:00 Sun06:00 SunOff-hours both sides
03:00 Sun07:00 SunOff-hours both sides
04:00 Sun08:00 SunOff-hours both sides
05:00 Sun09:00 SunGMT working
06:00 Sun10:00 SunGMT working
07:00 Sun11:00 SunGMT working
08:00 Sun12:00 SunGMT working
09:00 Sun13:00 SunBoth at work
10:00 Sun14:00 SunBoth at work
11:00 Sun15:00 SunBoth at work
12:00 Sun16:00 SunBoth at work
13:00 Sun17:00 SunART working
14:00 Sun18:00 SunART working
15:00 Sun19:00 SunART working
16:00 Sun20:00 SunART working
17:00 Sun21:00 SunOff-hours both sides
18:00 Sun22:00 SunOff-hours both sides
19:00 Sun23:00 SunOff-hours both sides
20:00 Sun00:00 MonOff-hours both sides
21:00 Sun01:00 MonOff-hours both sides
22:00 Sun02:00 MonOff-hours both sides
23:00 Sun03:00 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

Argentina Time (ART)
IANA identifier
America/Argentina/Buenos_Aires
Current UTC offset
UTC-03:00
Current abbreviation
GMT-3
Major cities in this zone
Buenos Aires
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 Buenos Aires and London

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

Related converters

GMT to ART (reverse)ART to ESTART to PSTART to UTCART to CETART to ISTEST to GMTPST to GMTUTC to GMTCET to GMTIST to GMT
Looking for local time? See time in Buenos Aires or time in London.

Frequently asked questions

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