Fountain Valley to London time converter
London is 8 hours ahead of Fountain Valley. When it is 9:00 AM in Fountain Valley, it is 5:00 PM in London.
Fountain Valley PDT
Wednesday, October 21, 2026
London BST
Wednesday, October 21, 2026
10:54 AM in Fountain Valley, Wednesday, October 21, 2026
Fountain Valley to London conversion table
Every hour of today in Fountain Valley and the matching time in London. Light rows are typical working hours (9:00–18:00).
| Fountain Valley | London |
|---|---|
| 12:00 AM | 8:00 AM |
| 1:00 AM | 9:00 AM |
| 2:00 AM | 10:00 AM |
| 3:00 AM | 11:00 AM |
| 4:00 AM | 12:00 PM |
| 5:00 AM | 1:00 PM |
| 6:00 AM | 2:00 PM |
| 7:00 AM | 3:00 PM |
| 8:00 AM | 4:00 PM |
| 9:00 AM | 5:00 PM |
| 10:00 AM | 6:00 PM |
| 11:00 AM | 7:00 PM |
| 12:00 PM | 8:00 PM |
| 1:00 PM | 9:00 PM |
| 2:00 PM | 10:00 PM |
| 3:00 PM | 11:00 PM |
| 4:00 PM | 12:00 AM+1 day |
| 5:00 PM | 1:00 AM+1 day |
| 6:00 PM | 2:00 AM+1 day |
| 7:00 PM | 3:00 AM+1 day |
| 8:00 PM | 4:00 AM+1 day |
| 9:00 PM | 5:00 AM+1 day |
| 10:00 PM | 6:00 AM+1 day |
| 11:00 PM | 7:00 AM+1 day |
Best time to call or meet
Both sides are at work from 9:00 AM – 10:00 AM in Fountain Valley (5:00 PM – 6:00 PM in London).
Daylight saving time and the difference
The difference changes during the year because Fountain Valley and London switch clocks on different dates:
- Oct 21, 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 21, 2027: +8h
Distance
Fountain Valley and London are 8,772 km (5,451 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Fountain Valley and London?
London is 8 hours ahead of Fountain Valley.
What time is it in London when it is 9 AM in Fountain Valley?
When it is 9:00 AM in Fountain Valley, it is 5:00 PM in London.
When is the best time to call London from Fountain Valley?
Both sides are at work from 9:00 AM – 10:00 AM in Fountain Valley (5:00 PM – 6:00 PM in London).
Does the time difference between Fountain 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.