London to Grenchen time converter
Grenchen is 1 hour ahead of London. When it is 9:00 AM in London, it is 10:00 AM in Grenchen.
1:47 PM in London, Saturday, October 17, 2026
Shared working hours (9:00–18:00)
London to Grenchen conversion table
Every hour of today in London and the matching time in Grenchen. Light rows are typical working hours (9:00–18:00).
| London | Grenchen |
|---|---|
| 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 | 12:00 AM+1 day |
Best time to call or meet
Both sides are at work from 9:00 AM – 5:00 PM in London (10:00 AM – 6:00 PM in Grenchen).
Daylight saving time and the difference
The difference stays 1 hour all year.
Distance
London and Grenchen are 725 km (450 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between London and Grenchen?
Grenchen is 1 hour ahead of London.
What time is it in Grenchen when it is 9 AM in London?
When it is 9:00 AM in London, it is 10:00 AM in Grenchen.
When is the best time to call Grenchen from London?
Both sides are at work from 9:00 AM – 5:00 PM in London (10:00 AM – 6:00 PM in Grenchen).
Does the time difference between London and Grenchen change?
No. The difference stays 1 hour all year.