London to Westmont time converter

Westmont is 8 hours behind London. When it is 9:00 AM in London, it is 1:00 AM in Westmont.

London BST

Tuesday, October 20, 2026

Westmont PDT

Tuesday, October 20, 2026

London
United Kingdom
Tue, Oct 20
BSTUTC+1
Westmont
California, United States
Tue, Oct 20
PDTUTC-7-8h
Finding your time zone…
Shared working hours (9:00–18:00)

London to Westmont conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 20, 2026 – Oct 25, 2026: -8h
  • Oct 25, 2026 – Nov 1, 2026: -7h
  • Nov 1, 2026 – Mar 14, 2027: -8h
  • Mar 14, 2027 – Mar 28, 2027: -7h
  • Mar 28, 2027 – Oct 20, 2027: -8h

Distance

London and Westmont are 8,769 km (5,449 miles) apart in a straight line.

More conversions

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New York to WestmontLos Angeles to WestmontChicago to WestmontToronto to WestmontSão Paulo to WestmontParis to WestmontBerlin to WestmontMoscow to WestmontDubai to WestmontNew Delhi to WestmontBangkok to WestmontSingapore to Westmont

Questions and answers

What is the time difference between London and Westmont?

Westmont is 8 hours behind London.

What time is it in Westmont when it is 9 AM in London?

When it is 9:00 AM in London, it is 1:00 AM in Westmont.

When is the best time to call Westmont from London?

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

Does the time difference between London and Westmont change?

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