Rennes Time to GMT Converter
GMT is 1 hour behind CET. 9:00 AM CET = 8:00 AM GMT.
GMT is 1 hour behind CET at the moment. To convert Rennes Time to GMT, subtract 1 hour from the Rennes Time time: 9:00 AM CET = 8:00 AM GMT.
Rennes Time (Rennes time) is used in Rennes, France. GMT (GMT) is used in Same offset as UTC. The UK and Ireland use GMT in winter; Iceland, Ghana and Senegal all year.
The UK is on GMT only in winter; in summer it uses BST (UTC+1).
Rennes Time to GMT time conversion table
Rennes Time to GMT on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| Rennes Time | GMT |
|---|---|
| 12:00 AM | 11:00 PM−1 |
| 1:00 AM | 12:00 AM |
| 2:00 AM | 1:00 AM |
| 3:00 AM | 2:00 AM |
| 4:00 AM | 3:00 AM |
| 5:00 AM | 4:00 AM |
| 6:00 AM | 5:00 AM |
| 7:00 AM | 6:00 AM |
| Rennes Time | GMT |
|---|---|
| 8:00 AM | 7:00 AM |
| 9:00 AM | 8:00 AM |
| 10:00 AM | 9:00 AM |
| 11:00 AM | 10:00 AM |
| 12:00 PM | 11:00 AM |
| 1:00 PM | 12:00 PM |
| 2:00 PM | 1:00 PM |
| 3:00 PM | 2:00 PM |
| Rennes Time | GMT |
|---|---|
| 4:00 PM | 3:00 PM |
| 5:00 PM | 4:00 PM |
| 6:00 PM | 5:00 PM |
| 7:00 PM | 6:00 PM |
| 8:00 PM | 7:00 PM |
| 9:00 PM | 8:00 PM |
| 10:00 PM | 9:00 PM |
| 11:00 PM | 10:00 PM |
Conversion table from Rennes Time to GMT for 7 Nov 2026. A tick marks hours that fall between 9 AM and 5 PM in both places. +1 means the next day in GMT, −1 the previous day.
- ✓ marks 9 AM–5 PM in both places
- Greyed times are night in the destination (10 PM–6 AM)
How to convert Rennes Time to GMT
Subtract 1 hour from the Rennes Time time to get GMT.
Example: 9:00 AM CET = 8:00 AM GMT.
Across midnight: 12:00 AM CET = 11:00 PM GMT (previous day). The date changes, so always check the day as well as the hour.
Time difference between Rennes Time and GMT
The time difference between Rennes Time and GMT is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:
- 1 Jan 2026 – 28 Mar 2026: GMT is 1 hour behind of Rennes Time.
- 29 Mar 2026 – 24 Oct 2026: GMT is 2 hours behind of Rennes Time.
- 25 Oct 2026 – 31 Dec 2026: GMT is 1 hour behind of Rennes Time.
Rennes Time and GMT during daylight saving time
- Rennes Time next changes on 28 Mar 2027: clocks go forward one hour at 01:59 local time, from CET (UTC+1) to CEST (UTC+2).
- GMT does not observe daylight saving time; it stays on UTC+0 all year.
Best time for a meeting between Rennes Time and GMT
Rennes Time and GMT share 7 hours of the 9 AM–5 PM working day. Any time between 10:00 AM and 5:00 PM CET lands between 9:00 AM and 4:00 PM GMT, inside working hours for both.
Rennes Time to GMT FAQ
What is the time difference between Rennes Time and GMT?
Right now GMT is 1 hour behind CET. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM Rennes Time in GMT?
9:00 AM CET is 8:00 AM GMT.
What is 12 PM (noon) Rennes Time in GMT?
12:00 PM CET is 11:00 AM GMT.
Is GMT ahead of or behind Rennes Time?
GMT is 1 hour behind CET, so it is earlier in GMT than in Rennes Time.
Does Rennes Time change for daylight saving time?
Yes. Rennes Time next changes on 28 Mar 2027, when clocks go forward one hour from CET to CEST.
Does GMT change for daylight saving time?
No. GMT stays on the same offset all year, so conversions never shift for daylight saving time.
What is the best time for a meeting between Rennes Time and GMT?
Rennes Time and GMT share 7 hours of the 9 AM–5 PM working day. Any time between 10:00 AM and 5:00 PM CET lands between 9:00 AM and 4:00 PM GMT, inside working hours for both.
Related conversions
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Learn more
Updated 7 November 2026. Time zone data: IANA tz database.