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Convert Argentina Time to Greenwich Mean Time

ART · UTC−3 → GMT · UTC+0

ART is 3 hours behind GMT

Today Buenos Aires is on UTC-3 (UTC−3) and London on BST (UTC+1), so right now Buenos Aires is 4 hours behind London.

Buenos Aires · UTC-3

Wednesday, 7 October 2026

London · BST

Wednesday, 7 October 2026

When are both sides at work?

0003060912151821
Buenos AiresUTC-3 · -03:00
0003060912151821
LondonBST · +01:00
0407101316192201

Shared working hours: 09:00–14:00 in Buenos Aires is 13:00–18:00 in London.

Working (09–18) Awake, off the clock Asleep (23–07)

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08:24 Wed 7 Oct Buenos Aires = 12:24 Wed 7 Oct London

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Hour-by-hour conversion

Buenos Aires (ART)London (GMT)
00:0004:00
01:0005:00
02:0006:00
03:0007:00
04:0008:00
05:0009:00
06:0010:00
07:0011:00
08:0012:00Now
09:0013:00Both at work
10:0014:00Both at work
11:0015:00Both at work
12:0016:00Both at work
13:0017:00Both at work
14:0018:00
15:0019:00
16:0020:00
17:0021:00
18:0022:00
19:0023:00
20:0000:00next day
21:0001:00next day
22:0002:00next day
23:0003:00next day

About this conversion

ART here means Argentina Time, represented by Buenos Aires (America/Argentina/Buenos_Aires), currently UTC−3. GMT means Greenwich Mean Time, represented by London (Europe/London), currently UTC+1.

GMT is used by 22 zones, including United Kingdom. See every meaning of GMT.

Working hours are shown as 09:00–18:00 local, and sleeping hours as 23:00–07:00. The hour table is anchored on the current day in Buenos Aires; day boundaries are marked where the date differs.

Quick answers

  • 09:00 ART is 13:00 GMT
  • 12:00 ART is 16:00 GMT
  • 15:00 ART is 19:00 GMT
  • 18:00 ART is 22:00 GMT

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