London to General José de San Martín time converter

General José de San Martín is 4 hours behind London. When it is 9:00 AM in London, it is 5:00 AM in General José de San Martín.

London BST

Wednesday, October 21, 2026

General José de San Martín ART

Wednesday, October 21, 2026

United Kingdom
Wed, Oct 21
BSTUTC+1
Wed, Oct 21
ARTUTC-3-4h
Finding your time zone…

9:41 PM in London, Wednesday, October 21, 2026

Shared working hours (9:00–18:00)

London to General José de San Martín conversion table

Every hour of today in London and the matching time in General José de San Martín. Light rows are typical working hours (9:00–18:00).

LondonGeneral José de San Martín
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 London (9:00 AM – 2:00 PM in General José de San Martín).

Daylight saving time and the difference

The difference changes during the year because London and General José de San Martín switch clocks on different dates:

  • Oct 21, 2026 – Oct 25, 2026: -4h
  • Oct 25, 2026 – Mar 28, 2027: -3h
  • Mar 28, 2027 – Oct 21, 2027: -4h

Distance

London and General José de San Martín are 10,420 km (6,475 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between London and General José de San Martín?

General José de San Martín is 4 hours behind London.

What time is it in General José de San Martín when it is 9 AM in London?

When it is 9:00 AM in London, it is 5:00 AM in General José de San Martín.

When is the best time to call General José de San Martín from London?

Both sides are at work from 1:00 PM – 6:00 PM in London (9:00 AM – 2:00 PM in General José de San Martín).

Does the time difference between London and General José de San Martín change?

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