Cologne 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 Cologne Time to GMT, subtract 1 hour from the Cologne Time time: 9:00 AM CET = 8:00 AM GMT.
Cologne Time (Cologne time) is used in Cologne, Germany. 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).
Cologne Time to GMT time conversion table
Cologne Time to GMT on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| Cologne Time | GMT | Day |
|---|---|---|
| 12:00 AM CET | 11:00 PM GMT | previous day |
| 1:00 AM CET | 12:00 AM GMT | night |
| 2:00 AM CET | 1:00 AM GMT | night |
| 3:00 AM CET | 2:00 AM GMT | night |
| 4:00 AM CET | 3:00 AM GMT | night |
| 5:00 AM CET | 4:00 AM GMT | night |
| 6:00 AM CET | 5:00 AM GMT | night |
| 7:00 AM CET | 6:00 AM GMT | — |
| 8:00 AM CET | 7:00 AM GMT | — |
| 9:00 AM CET | 8:00 AM GMT | — |
| 10:00 AM CET | 9:00 AM GMT | work hours |
| 11:00 AM CET | 10:00 AM GMT | work hours |
| 12:00 PM CET | 11:00 AM GMT | work hours |
| 1:00 PM CET | 12:00 PM GMT | work hours |
| 2:00 PM CET | 1:00 PM GMT | work hours |
| 3:00 PM CET | 2:00 PM GMT | work hours |
| 4:00 PM CET | 3:00 PM GMT | work hours |
| 5:00 PM CET | 4:00 PM GMT | — |
| 6:00 PM CET | 5:00 PM GMT | — |
| 7:00 PM CET | 6:00 PM GMT | — |
| 8:00 PM CET | 7:00 PM GMT | — |
| 9:00 PM CET | 8:00 PM GMT | — |
| 10:00 PM CET | 9:00 PM GMT | — |
| 11:00 PM CET | 10:00 PM GMT | night |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert Cologne Time to GMT
Subtract 1 hour from the Cologne 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 Cologne Time and GMT
The time difference between Cologne 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 Cologne Time.
- 29 Mar 2026 – 24 Oct 2026: GMT is 2 hours behind of Cologne Time.
- 25 Oct 2026 – 31 Dec 2026: GMT is 1 hour behind of Cologne Time.
Cologne Time and GMT during daylight saving time
- Cologne 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 Cologne Time and GMT
Cologne 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.
Cologne Time to GMT FAQ
What is the time difference between Cologne 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 Cologne Time in GMT?
9:00 AM CET is 8:00 AM GMT.
What is 12 PM (noon) Cologne Time in GMT?
12:00 PM CET is 11:00 AM GMT.
Is GMT ahead of or behind Cologne Time?
GMT is 1 hour behind CET, so it is earlier in GMT than in Cologne Time.
Does Cologne Time change for daylight saving time?
Yes. Cologne 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 Cologne Time and GMT?
Cologne 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
Convert GMT to Cologne Time
Convert Cologne Time to other time zones
Convert other time zones to GMT
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.