Sarnia to London time converter
London is 5 hours ahead of Sarnia. When it is 9:00 AM in Sarnia, it is 2:00 PM in London.
9:30 AM in Sarnia, Monday, October 19, 2026
Sarnia to London conversion table
Every hour of today in Sarnia and the matching time in London. Light rows are typical working hours (9:00–18:00).
| Sarnia | London |
|---|---|
| 12:00 AM | 5:00 AM |
| 1:00 AM | 6:00 AM |
| 2:00 AM | 7:00 AM |
| 3:00 AM | 8:00 AM |
| 4:00 AM | 9:00 AM |
| 5:00 AM | 10:00 AM |
| 6:00 AM | 11:00 AM |
| 7:00 AM | 12:00 PM |
| 8:00 AM | 1:00 PM |
| 9:00 AM | 2:00 PM |
| 10:00 AM | 3:00 PM |
| 11:00 AM | 4:00 PM |
| 12:00 PM | 5:00 PM |
| 1:00 PM | 6:00 PM |
| 2:00 PM | 7:00 PM |
| 3:00 PM | 8:00 PM |
| 4:00 PM | 9:00 PM |
| 5:00 PM | 10:00 PM |
| 6:00 PM | 11:00 PM |
| 7:00 PM | 12:00 AM+1 day |
| 8:00 PM | 1:00 AM+1 day |
| 9:00 PM | 2:00 AM+1 day |
| 10:00 PM | 3:00 AM+1 day |
| 11:00 PM | 4:00 AM+1 day |
Best time to call or meet
Both sides are at work from 9:00 AM – 1:00 PM in Sarnia (2:00 PM – 6:00 PM in London).
Daylight saving time and the difference
The difference changes during the year because Sarnia and London switch clocks on different dates:
- Oct 19, 2026 – Oct 24, 2026: +5h
- Oct 24, 2026 – Nov 1, 2026: +4h
- Nov 1, 2026 – Mar 14, 2027: +5h
- Mar 14, 2027 – Mar 27, 2027: +4h
- Mar 27, 2027 – Oct 19, 2027: +5h
Distance
Sarnia and London are 5,949 km (3,697 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Sarnia and London?
London is 5 hours ahead of Sarnia.
What time is it in London when it is 9 AM in Sarnia?
When it is 9:00 AM in Sarnia, it is 2:00 PM in London.
When is the best time to call London from Sarnia?
Both sides are at work from 9:00 AM – 1:00 PM in Sarnia (2:00 PM – 6:00 PM in London).
Does the time difference between Sarnia 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.