Simi Valley to London time converter

London is 8 hours ahead of Simi Valley. When it is 9:00 AM in Simi Valley, it is 5:00 PM in London.

Simi Valley PDT

Monday, October 19, 2026

London BST

Monday, October 19, 2026

Simi Valley
California, United States
Mon, Oct 19
PDTUTC-7
London
United Kingdom
Mon, Oct 19
BSTUTC+1+8h
Finding your time zone…
Shared working hours (9:00–18:00)

Simi Valley to London conversion table

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

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

Best time to call or meet

Both sides are at work from 9:00 AM – 10:00 AM in Simi Valley (5:00 PM – 6:00 PM in London).

Daylight saving time and the difference

The difference changes during the year because Simi Valley and London switch clocks on different dates:

  • Oct 19, 2026 – Oct 24, 2026: +8h
  • Oct 24, 2026 – Nov 1, 2026: +7h
  • Nov 1, 2026 – Mar 14, 2027: +8h
  • Mar 14, 2027 – Mar 27, 2027: +7h
  • Mar 27, 2027 – Oct 19, 2027: +8h

Distance

Simi Valley and London are 8,763 km (5,445 miles) apart in a straight line.

More conversions

London to Simi ValleySimi Valley to New YorkSimi Valley to Los AngelesSimi Valley to ChicagoSimi Valley to TorontoSimi Valley to São PauloSimi Valley to ParisSimi Valley to BerlinSimi Valley to MoscowSimi Valley to DubaiSimi Valley to New DelhiSimi Valley to BangkokSimi Valley 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 Simi Valley and London?

London is 8 hours ahead of Simi Valley.

What time is it in London when it is 9 AM in Simi Valley?

When it is 9:00 AM in Simi Valley, it is 5:00 PM in London.

When is the best time to call London from Simi Valley?

Both sides are at work from 9:00 AM – 10:00 AM in Simi Valley (5:00 PM – 6:00 PM in London).

Does the time difference between Simi Valley 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.