Río Segundo to London time converter

London is 4 hours ahead of Río Segundo. When it is 9:00 AM in Río Segundo, it is 1:00 PM in London.

Río Segundo ART

Monday, October 19, 2026

London BST

Tuesday, October 20, 2026

Río Segundo
Argentina
Mon, Oct 19
ARTUTC-3
London
United Kingdom
Tue, Oct 20
BSTUTC+1+4h
Finding your time zone…
Shared working hours (9:00–18:00)

Río Segundo to London conversion table

Every hour of today in Río Segundo and the matching time in London. Light rows are typical working hours (9:00–18:00).

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

Best time to call or meet

Both sides are at work from 9:00 AM – 2:00 PM in Río Segundo (1:00 PM – 6:00 PM in London).

Daylight saving time and the difference

The difference changes during the year because Río Segundo and London switch clocks on different dates:

  • Oct 19, 2026 – Oct 24, 2026: +4h
  • Oct 24, 2026 – Mar 27, 2027: +3h
  • Mar 27, 2027 – Oct 19, 2027: +4h

Distance

Río Segundo and London are 11,139 km (6,921 miles) apart in a straight line.

More conversions

London to Río SegundoRío Segundo to New YorkRío Segundo to Los AngelesRío Segundo to ChicagoRío Segundo to TorontoRío Segundo to São PauloRío Segundo to ParisRío Segundo to BerlinRío Segundo to MoscowRío Segundo to DubaiRío Segundo to New DelhiRío Segundo to BangkokRío Segundo to Singapore
New York to LondonLos Angeles to LondonChicago to LondonToronto to LondonSão Paulo to LondonParis to LondonBerlin to LondonMoscow to LondonDubai to LondonNew Delhi to LondonBangkok to LondonSingapore to London

Questions and answers

What is the time difference between Río Segundo and London?

London is 4 hours ahead of Río Segundo.

What time is it in London when it is 9 AM in Río Segundo?

When it is 9:00 AM in Río Segundo, it is 1:00 PM in London.

When is the best time to call London from Río Segundo?

Both sides are at work from 9:00 AM – 2:00 PM in Río Segundo (1:00 PM – 6:00 PM in London).

Does the time difference between Río Segundo and London change?

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