CEST to BST
-1hCEST
CESTSOURCEBST
BSTGreen rows indicate typical business hours (9 AM - 5 PM)
CEST and BST on the World Map
The map below highlights the CEST (Central European Summer Time) and BST (British Summer Time) timezone regions across the globe.
CEST – Central European Summer Time
UTC+02:00Central European Summer Time (CEST) is the daylight saving time in Central Europe, 2 hours ahead of UTC.
- •CEST runs from the last Sunday of March to the last Sunday of October.
- •The EU has voted to abolish clock changes but implementation has been delayed.
- •CEST shares the same offset as EET (UTC+02:00).
BST – British Summer Time
UTC+01:00British Summer Time (BST, UTC+01:00) is the daylight saving period in the United Kingdom, running from late March to late October.
- •BST runs from the last Sunday in March to the last Sunday in October.
- •BST is exactly one hour ahead of GMT, the UK's standard time.
- •During BST, London is 4 hours ahead of New York while the US is on Eastern Daylight Time.
- •The Isle of Man and the Channel Islands also observe BST.
Time Conversion Guide: CEST to BST
CEST runs on Central European Summer Time (CEST) at UTC+02:00. BST runs on British Summer Time (BST) at UTC+01:00. That puts CEST 1 hour behind BST — a difference of -1h at the current offsets.
In practice, when it is 9:00 AM in CEST it is 8:00 AM in BST. Midnight in CEST is 11:00 PM in BST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
CEST to BST time conversion table
| CEST (CEST) | BST (BST) | Day |
|---|---|---|
| 12:00 AM | 11:00 PM | previous day |
| 6:00 AM | 5:00 AM | same day |
| 7:00 AM | 6:00 AM | same day |
| 8:00 AM | 7:00 AM | same day |
| 9:00 AM | 8:00 AM | same day |
| 12:00 PM | 11:00 AM | same day |
| 3:00 PM | 2:00 PM | same day |
| 5:00 PM | 4:00 PM | same day |
| 6:00 PM | 5:00 PM | same day |
| 9:00 PM | 8:00 PM | same day |
Why people convert CEST to BST time
- Scheduling a call from CEST to BST: a 10:00 AM start in CEST lands at 9:00 AM in BST, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both CEST and BST are inside the 9-to-5 working day between 10:00 AM and 5:00 PM CEST time (9:00 AM–4:00 PM BST). That is roughly 7 hours of usable overlap.
- Coordinating a CEST-based team with BST contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.
- Always state the zone abbreviation, not just the hour. "3:00 PM CEST" is unambiguous; "3 PM" across a -1h gap is not.
- Block 10:00 AM–5:00 PM CEST as the recurring meeting window if you work primarily from CEST and need BST colleagues present.
About CEST (Central European Summer Time)
Central European Summer Time (CEST) is observed from the last Sunday of March to the last Sunday of October across most of Europe. During CEST, clocks are 2 hours ahead of UTC. The EU has debated abolishing seasonal clock changes since 2019.
About BST (British Summer Time)
British Summer Time (BST) is the daylight saving period in the United Kingdom, when clocks move one hour forward from Greenwich Mean Time (GMT, UTC+00:00) to UTC+01:00. It runs from the last Sunday in March to the last Sunday in October. England, Scotland, Wales and Northern Ireland all follow it, along with the Isle of Man and the Channel Islands of Jersey and Guernsey. During BST, London is one hour ahead of UTC, four hours ahead of New York on Eastern Daylight Time, and five hours ahead of New York once the United States returns to Eastern Standard Time in November. BST is also used to abbreviate Bangladesh Standard Time (UTC+06:00), which is listed separately on this site.
Best time to call between CEST and BST
Both CEST and BST sit inside the 9 AM – 5 PM working day between 10:00 AM–5:00 PM CEST, which is 9:00 AM–4:00 PM BST. That gives roughly 7 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
CEST and BST share 7 hours of working-hours overlap (10:00 AM–5:00 PM CEST), so scheduling a live meeting is straightforward.
CEST is 1 hour behind BST (CEST UTC+02:00 → BST UTC+01:00). The shared working window is 10:00 AM–5:00 PM CEST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
CEST
☀ Currently in DST
Standard: UTC+01:00 · DST: UTC+02:00
Clocks fall back on Sun, Oct 25, 2026
BST
☀ Currently in DST
Standard: UTC+00:00 · DST: UTC+01:00
Clocks fall back on Sun, Oct 25, 2026
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between CEST and BST?
CEST (CEST, UTC+02:00) is 1 hour behind BST (BST, UTC+01:00). The gap is currently -1h.
How do I convert CEST time to BST time?
Add -1h to CEST local time. For example, 9:00 AM in CEST is 8:00 AM in BST.
What time is it in BST right now?
BST uses BST at UTC+01:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -1h offset from CEST.
What is the best time to call BST from CEST?
Call between 10:00 AM and 5:00 PM CEST — that maps to 9:00 AM–4:00 PM BST and keeps both parties inside the working day.
Which is behind, CEST or BST?
CEST is 1 hour behind BST. When it is 12:00 PM in CEST it is 11:00 AM in BST.
Does daylight saving time affect the CEST–BST difference?
Neither zone observes daylight saving time, so the -1h offset between CEST and BST is fixed all year.
Which other cities share CEST's time zone?
CEST also covers Paris, Berlin, Rome, Madrid, Amsterdam, Vienna, Stockholm.
Which countries use CEST, CEST's zone?
CEST is used in Germany, France, Italy, Spain, Netherlands, Belgium, Austria, Switzerland and 3 more.
Is there a day difference between CEST and BST?
Not normally. The -1h gap only pushes the date over the previous day.
What is the time difference between CEST and BST?
BST is -1h from CEST.
What timezone is CEST in?
CEST operates on its local timezone.
What timezone is BST in?
BST operates on its local timezone.
Which countries use CEST (Central European Summer Time)?
CEST is used in Germany, France, Italy, Spain, Netherlands, Belgium, and 5 more countries.
Does CEST observe daylight saving time?
Yes, CEST switches to CET during summer months.
What are some interesting facts about CEST?
CEST runs from the last Sunday of March to the last Sunday of October. The EU has voted to abolish clock changes but implementation has been delayed.
Which cities are in the BST timezone?
Major cities in the BST timezone include London, Birmingham, Manchester, Glasgow, Edinburgh, Cardiff, Belfast, Liverpool.
What is the UTC offset for BST?
British Summer Time (BST) is at UTC+01:00. During daylight saving time, it shifts to BST.
What should I know about the BST timezone?
BST runs from the last Sunday in March to the last Sunday in October. BST is exactly one hour ahead of GMT, the UK's standard time.
When is it midnight in CEST, what time is it in BST?
When it is 12:00 AM (midnight) in CEST (CEST), it is -1h later in BST (BST).
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See every conversion from CEST →·See every conversion from BST →