GMT to ART Time Converter

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

London · Greenwich Mean Time
03:51:37
Monday, May 11, 2026
GMT+1 · UTC+01:00
Buenos Aires · Argentina Time
23:51:37
Sunday, May 10, 2026
GMT-3 · UTC-03:00

Convert a specific time

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

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
ART (Argentina Time)
Observes DST
No

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 GMT and ART 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
GMT
ART
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in London (GMT). 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: 13:00–16:00 GMT (09:00–12:00 ART).

Hour-by-hour GMT to ART conversion table

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

Greenwich Mean Time (GMT)
IANA identifier
Europe/London
Current UTC offset
UTC+01:00
Current abbreviation
GMT+1
Major cities in this zone
LondonManchesterEdinburghBirmingham
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

Sun today in London and Buenos Aires

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

Related converters

ART to GMT (reverse)GMT to ESTGMT to PSTGMT to UTCGMT to CETGMT to ISTEST to ARTPST to ARTUTC to ARTCET to ARTIST to ART
Looking for local time? See time in London or time in Buenos Aires.

Frequently asked questions

What is the time difference between GMT and ART right now?+
ART (Argentina Time) is currently 4 hours behind 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 ART observe daylight saving time?+
GMT: observes daylight saving time. ART: does not observe daylight saving time.
When is the best time to schedule a meeting between GMT and ART?+
The strongest overlap is 13:00–16:00 GMT (09:00–12:00 ART), giving 4 hours when both sides are within standard 9am-5pm working hours.
What time is it in Buenos Aires when it is 12:00 noon in London?+
When it is 12:00 Mon in London (GMT), it is 08:00 Mon in Buenos Aires (ART).
Which IANA time zone identifiers are used for GMT and ART?+
GMT maps to "Europe/London" in the IANA database. ART maps to "America/Argentina/Buenos_Aires". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is London ahead of or behind Buenos Aires?+
Whether London (GMT) is ahead of or behind Buenos Aires (ART) depends on the current UTC offsets. Right now ART is 4 hours behind GMT. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for GMT and ART?+
GMT is UTC+01:00 (GMT+1) and ART is UTC-03:00 (GMT-3). 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 GMT and ART?+
Yes. There are 4 hours of overlap during standard 9am-5pm working hours, with the strongest window at 13:00–16:00 GMT.