London to Harpenden time converter
London and Harpenden are on the same time. When it is 9:00 AM in London, it is 9:00 AM in Harpenden.
9:38 AM in London, Tuesday, October 20, 2026
Shared working hours (9:00–18:00)
London to Harpenden conversion table
Every hour of today in London and the matching time in Harpenden. Light rows are typical working hours (9:00–18:00).
| London | Harpenden |
|---|---|
| 12:00 AM | 12:00 AM |
| 1:00 AM | 1:00 AM |
| 2:00 AM | 2:00 AM |
| 3:00 AM | 3:00 AM |
| 4:00 AM | 4:00 AM |
| 5:00 AM | 5:00 AM |
| 6:00 AM | 6:00 AM |
| 7:00 AM | 7:00 AM |
| 8:00 AM | 8:00 AM |
| 9:00 AM | 9:00 AM |
| 10:00 AM | 10:00 AM |
| 11:00 AM | 11:00 AM |
| 12:00 PM | 12:00 PM |
| 1:00 PM | 1:00 PM |
| 2:00 PM | 2:00 PM |
| 3:00 PM | 3:00 PM |
| 4:00 PM | 4:00 PM |
| 5:00 PM | 5:00 PM |
| 6:00 PM | 6:00 PM |
| 7:00 PM | 7:00 PM |
| 8:00 PM | 8:00 PM |
| 9:00 PM | 9:00 PM |
| 10:00 PM | 10:00 PM |
| 11:00 PM | 11:00 PM |
Best time to call or meet
Both sides are at work from 9:00 AM – 6:00 PM in London (9:00 AM – 6:00 PM in Harpenden).
Daylight saving time and the difference
The difference stays 0 hours all year.
Distance
London and Harpenden are 38 km (24 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between London and Harpenden?
London and Harpenden are on the same time.
What time is it in Harpenden when it is 9 AM in London?
When it is 9:00 AM in London, it is 9:00 AM in Harpenden.
When is the best time to call Harpenden from London?
Both sides are at work from 9:00 AM – 6:00 PM in London (9:00 AM – 6:00 PM in Harpenden).
Does the time difference between London and Harpenden change?
No. The difference stays 0 hours all year.