Napa to London time converter

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

Napa PDT

Monday, October 19, 2026

London BST

Monday, October 19, 2026

Napa
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)

Napa to London conversion table

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

NapaLondon
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 Napa (5:00 PM – 6:00 PM in London).

Daylight saving time and the difference

The difference changes during the year because Napa 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

Napa and London are 8,561 km (5,320 miles) apart in a straight line.

More conversions

London to NapaNapa to New YorkNapa to Los AngelesNapa to ChicagoNapa to TorontoNapa to São PauloNapa to ParisNapa to BerlinNapa to MoscowNapa to DubaiNapa to New DelhiNapa to BangkokNapa 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 Napa and London?

London is 8 hours ahead of Napa.

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

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

When is the best time to call London from Napa?

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

Does the time difference between Napa 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.