United Kingdom to Buenos Aires time converter

Buenos Aires is 4 hours behind United Kingdom. When it is 9:00 AM in United Kingdom, it is 5:00 AM in Buenos Aires.

United Kingdom BST

Sunday, October 18, 2026

Buenos Aires ART

Sunday, October 18, 2026

Sun, Oct 18
BSTUTC+1
Argentina
Sun, Oct 18
ARTUTC-3-4h
Finding your time zone…

6:33 PM in United Kingdom, Sunday, October 18, 2026

Shared working hours (9:00–18:00)

United Kingdom to Buenos Aires conversion table

Every hour of today in United Kingdom and the matching time in Buenos Aires. Light rows are typical working hours (9:00–18:00).

United KingdomBuenos Aires
12:00 AM8:00 PM−1 day
1:00 AM9:00 PM−1 day
2:00 AM10:00 PM−1 day
3:00 AM11:00 PM−1 day
4:00 AM12:00 AM
5:00 AM1:00 AM
6:00 AM2:00 AM
7:00 AM3:00 AM
8:00 AM4:00 AM
9:00 AM5:00 AM
10:00 AM6:00 AM
11:00 AM7:00 AM
12:00 PM8:00 AM
1:00 PM9:00 AM
2:00 PM10:00 AM
3:00 PM11:00 AM
4:00 PM12:00 PM
5:00 PM1:00 PM
6:00 PM2:00 PM
7:00 PM3:00 PM
8:00 PM4:00 PM
9:00 PM5:00 PM
10:00 PM6:00 PM
11:00 PM7:00 PM

Best time to call or meet

Both sides are at work from 1:00 PM – 6:00 PM in United Kingdom (9:00 AM – 2:00 PM in Buenos Aires).

Daylight saving time and the difference

The difference changes during the year because United Kingdom and Buenos Aires switch clocks on different dates:

  • Oct 18, 2026 – Oct 25, 2026: -4h
  • Oct 25, 2026 – Mar 28, 2027: -3h
  • Mar 28, 2027 – Oct 18, 2027: -4h

More conversions

Questions and answers

What is the time difference between United Kingdom and Buenos Aires?

Buenos Aires is 4 hours behind United Kingdom.

What time is it in Buenos Aires when it is 9 AM in United Kingdom?

When it is 9:00 AM in United Kingdom, it is 5:00 AM in Buenos Aires.

When is the best time to call Buenos Aires from United Kingdom?

Both sides are at work from 1:00 PM – 6:00 PM in United Kingdom (9:00 AM – 2:00 PM in Buenos Aires).

Does the time difference between United Kingdom and Buenos Aires change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.