La Mesa to London time converter
London is 8 hours ahead of La Mesa. When it is 9:00 AM in La Mesa, it is 5:00 PM in London.
10:42 AM in La Mesa, Monday, October 19, 2026
La Mesa to London conversion table
Every hour of today in La Mesa and the matching time in London. Light rows are typical working hours (9:00–18:00).
| La Mesa | 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 La Mesa (5:00 PM – 6:00 PM in London).
Daylight saving time and the difference
The difference changes during the year because La Mesa 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
La Mesa and London are 8,810 km (5,474 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between La Mesa and London?
London is 8 hours ahead of La Mesa.
What time is it in London when it is 9 AM in La Mesa?
When it is 9:00 AM in La Mesa, it is 5:00 PM in London.
When is the best time to call London from La Mesa?
Both sides are at work from 9:00 AM – 10:00 AM in La Mesa (5:00 PM – 6:00 PM in London).
Does the time difference between La Mesa 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.