Guyancourt to Toronto time converter
Toronto is 6 hours behind Guyancourt. When it is 9:00 AM in Guyancourt, it is 3:00 AM in Toronto.
Guyancourt CEST
Saturday, October 17, 2026
Toronto EDT
Saturday, October 17, 2026
3:35 PM in Guyancourt, Saturday, October 17, 2026
Guyancourt to Toronto conversion table
Every hour of today in Guyancourt and the matching time in Toronto. Light rows are typical working hours (9:00–18:00).
| Guyancourt | Toronto |
|---|---|
| 12:00 AM | 6:00 PM−1 day |
| 1:00 AM | 7:00 PM−1 day |
| 2:00 AM | 8:00 PM−1 day |
| 3:00 AM | 9:00 PM−1 day |
| 4:00 AM | 10:00 PM−1 day |
| 5:00 AM | 11:00 PM−1 day |
| 6:00 AM | 12:00 AM |
| 7:00 AM | 1:00 AM |
| 8:00 AM | 2:00 AM |
| 9:00 AM | 3:00 AM |
| 10:00 AM | 4:00 AM |
| 11:00 AM | 5:00 AM |
| 12:00 PM | 6:00 AM |
| 1:00 PM | 7:00 AM |
| 2:00 PM | 8:00 AM |
| 3:00 PM | 9:00 AM |
| 4:00 PM | 10:00 AM |
| 5:00 PM | 11:00 AM |
| 6:00 PM | 12:00 PM |
| 7:00 PM | 1:00 PM |
| 8:00 PM | 2:00 PM |
| 9:00 PM | 3:00 PM |
| 10:00 PM | 4:00 PM |
| 11:00 PM | 5:00 PM |
Best time to call or meet
Both sides are at work from 3:00 PM – 6:00 PM in Guyancourt (9:00 AM – 12:00 PM in Toronto).
Daylight saving time and the difference
The difference changes during the year because Guyancourt and Toronto switch clocks on different dates:
- Oct 17, 2026 – Oct 25, 2026: -6h
- Oct 25, 2026 – Nov 1, 2026: -5h
- Nov 1, 2026 – Mar 14, 2027: -6h
- Mar 14, 2027 – Mar 28, 2027: -5h
- Mar 28, 2027 – Oct 17, 2027: -6h
Distance
Guyancourt and Toronto are 5,985 km (3,719 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Guyancourt and Toronto?
Toronto is 6 hours behind Guyancourt.
What time is it in Toronto when it is 9 AM in Guyancourt?
When it is 9:00 AM in Guyancourt, it is 3:00 AM in Toronto.
When is the best time to call Toronto from Guyancourt?
Both sides are at work from 3:00 PM – 6:00 PM in Guyancourt (9:00 AM – 12:00 PM in Toronto).
Does the time difference between Guyancourt and Toronto change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.