BST to Cologne Time Converter
CET is 1 hour ahead of GMT. 9:00 AM GMT = 10:00 AM CET.
CET is 1 hour ahead of GMT. To convert BST to Cologne Time, add 1 hour to the BST time: 9:00 AM GMT = 10:00 AM CET.
BST (British Time) is used in United Kingdom from late March to late October. Cologne Time (Cologne time) is used in Cologne, Germany.
BST here means British Summer Time, not Bangladesh Standard Time. BST (British Summer Time) is not in force right now: United Kingdom from late March to late October is currently on GMT. This page uses whichever name applies on the date you pick, so the numbers below say GMT.
BST to Cologne Time time conversion table
BST to Cologne Time on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| BST | Cologne Time | Day |
|---|---|---|
| 12:00 AM GMT | 1:00 AM CET | night |
| 1:00 AM GMT | 2:00 AM CET | night |
| 2:00 AM GMT | 3:00 AM CET | night |
| 3:00 AM GMT | 4:00 AM CET | night |
| 4:00 AM GMT | 5:00 AM CET | night |
| 5:00 AM GMT | 6:00 AM CET | — |
| 6:00 AM GMT | 7:00 AM CET | — |
| 7:00 AM GMT | 8:00 AM CET | — |
| 8:00 AM GMT | 9:00 AM CET | — |
| 9:00 AM GMT | 10:00 AM CET | work hours |
| 10:00 AM GMT | 11:00 AM CET | work hours |
| 11:00 AM GMT | 12:00 PM CET | work hours |
| 12:00 PM GMT | 1:00 PM CET | work hours |
| 1:00 PM GMT | 2:00 PM CET | work hours |
| 2:00 PM GMT | 3:00 PM CET | work hours |
| 3:00 PM GMT | 4:00 PM CET | work hours |
| 4:00 PM GMT | 5:00 PM CET | — |
| 5:00 PM GMT | 6:00 PM CET | — |
| 6:00 PM GMT | 7:00 PM CET | — |
| 7:00 PM GMT | 8:00 PM CET | — |
| 8:00 PM GMT | 9:00 PM CET | — |
| 9:00 PM GMT | 10:00 PM CET | night |
| 10:00 PM GMT | 11:00 PM CET | night |
| 11:00 PM GMT | 12:00 AM CET | next day |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert BST to Cologne Time
Add 1 hour to the BST time to get Cologne Time.
Example: 9:00 AM GMT = 10:00 AM CET.
Across midnight: 11:00 PM GMT = 12:00 AM CET (next day). The date changes, so always check the day as well as the hour.
Time difference between BST and Cologne Time
The time difference between BST and Cologne Time is 1 hour all year – CET is ahead of GMT.
BST and Cologne Time during daylight saving time
- BST next changes on 28 Mar 2027: clocks go forward one hour at 00:59 local time, from GMT (UTC+0) to BST (UTC+1).
- 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).
Best time for a meeting between BST and Cologne Time
BST and Cologne Time share 7 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 4:00 PM GMT lands between 10:00 AM and 5:00 PM CET, inside working hours for both.
BST to Cologne Time FAQ
What is the time difference between BST and Cologne Time?
CET is 1 hour ahead of GMT all year. 9:00 AM GMT = 10:00 AM CET.
What is 9 AM BST in Cologne Time?
9:00 AM GMT is 10:00 AM CET.
What is 12 PM (noon) BST in Cologne Time?
12:00 PM GMT is 1:00 PM CET.
Is Cologne Time ahead of or behind BST?
CET is 1 hour ahead of GMT, so it is later in Cologne Time than in BST.
Does BST change for daylight saving time?
Yes. BST next changes on 28 Mar 2027, when clocks go forward one hour from GMT to BST.
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.
What is the best time for a meeting between BST and Cologne Time?
BST and Cologne Time share 7 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 4:00 PM GMT lands between 10:00 AM and 5:00 PM CET, inside working hours for both.
Related conversions
Convert Cologne Time to BST
Convert BST to other time zones
Convert other time zones to Cologne Time
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.