BST to Heidelberg 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 Heidelberg 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. Heidelberg Time (Heidelberg time) is used in Heidelberg, 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 Heidelberg Time time conversion table
BST to Heidelberg Time on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| BST | Heidelberg 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 Heidelberg Time
Add 1 hour to the BST time to get Heidelberg 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 Heidelberg Time
The time difference between BST and Heidelberg Time is 1 hour all year – CET is ahead of GMT.
BST and Heidelberg 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).
- Heidelberg 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 Heidelberg Time
BST and Heidelberg 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 Heidelberg Time FAQ
What is the time difference between BST and Heidelberg Time?
CET is 1 hour ahead of GMT all year. 9:00 AM GMT = 10:00 AM CET.
What is 9 AM BST in Heidelberg Time?
9:00 AM GMT is 10:00 AM CET.
What is 12 PM (noon) BST in Heidelberg Time?
12:00 PM GMT is 1:00 PM CET.
Is Heidelberg Time ahead of or behind BST?
CET is 1 hour ahead of GMT, so it is later in Heidelberg 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 Heidelberg Time change for daylight saving time?
Yes. Heidelberg 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 Heidelberg Time?
BST and Heidelberg 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 Heidelberg Time to BST
Convert BST to other time zones
Convert other time zones to Heidelberg Time
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.