Compare CET and BST

See the current time difference between CET and BST, how DST affects each zone, and the best hours to schedule meetings.

BST vs CET
CEST/CET
CET Daylight TimeGMT +02Mon, Apr 6
12AM3AM6AM9AM12PM3PM6PM9PM
CET automatically adjusted to CEST time zone, that is in use
BST/GMT
BST Daylight TimeGMT +01Mon, Apr 6
12AM3AM6AM9AM12PM3PM6PM9PM
GMT automatically adjusted to BST time zone, that is in use

How to Find the Time Difference Between CET and BST

  1. Open the CET vs BST converter: Visit https://www.xconvert.com/time-converter/cet-vs-bst to load a comparison grid with CET and BST already shown as separate rows on a 24-hour timeline. This view is useful when you need to schedule a London meeting against Central European business hours, such as coordinating a sales call between teams in Berlin, Paris, or Madrid and colleagues in the UK media, finance, or logistics sectors.

  2. Add comparison cities if your schedule involves more than CET and BST: Click “+ Add City” and search for cities such as London, Berlin, and Zurich to compare actual business hubs that use these time standards in practice. This is especially helpful for industries like banking, consulting, SaaS support, and air travel, where teams often work across the UK and continental Europe and need to see whether a handoff lands inside normal office hours.

  3. Drag across the grid to select a meeting window: Click “Select” if needed, then drag across the CET row from 9:00 AM to 11:00 AM CET to highlight that block in purple; the BST row will show the corresponding time as 8:00 AM to 10:00 AM BST on the same day. Because CET is 1 hour ahead of BST, this confirms that a mid-morning call in Frankfurt or Milan starts one hour earlier for participants in London, Manchester, or Edinburgh, which matters for daily standups, trading desk check-ins, and client presentations.

  4. Export the selected time range for your team: After selecting the range, use the export options for ICS download, Google Calendar, Gmail, Copy to clipboard, or Share link depending on how you want to distribute the meeting. For example, an ICS file is useful for a cross-border procurement call, while a Share link works well for a remote team chat so everyone can open the same CET-to-BST comparison and see the meeting in their own local context.

CET vs BST Offset Explained

CET (Central European Time) is UTC+1, while BST (British Summer Time) is also UTC+1, so the time difference between CET and BST is 0 hours when both labels are being used exactly as named. That means 9:00 AM CET equals 9:00 AM BST, although in real-world seasonal usage this can be confusing because BST is only used in the UK during summer, while many Central European locations switch between CET in winter and CEST (Central European Summer Time, UTC+2) in summer.

The main source of confusion is that people often compare continental Europe in summer with the UK in summer and assume “CET vs BST” means the current local time in both regions. In actual seasonal operation, countries such as Germany, France, Spain, Italy, Belgium, the Netherlands, Austria, and Poland use CET (UTC+1) in winter and CEST (UTC+2) in summer, while the United Kingdom uses GMT (UTC+0) in winter and BST (UTC+1) in summer. As a result, Central Europe and the UK are usually 1 hour apart year-round in actual local civil time, but CET and BST as named offsets are equal at UTC+1.

Daylight saving transitions in Europe follow a coordinated schedule. In 2025, clocks move forward on 30 March 2025 and move back on 26 October 2025 across both the UK and most of continental Europe, but they do not switch to the same named time zones. On 30 March 2025, the UK changes from GMT to BST, and Central Europe changes from CET to CEST; on 26 October 2025, the UK returns from BST to GMT, and Central Europe returns from CEST to CET. This is why a London-to-Paris business relationship remains 1 hour apart in practice, even though CET vs BST by strict offset is no difference.

A practical example helps: when it is 9:00 AM CET, it is 9:00 AM BST, because both are UTC+1. But when it is 9:00 AM in Berlin in July, Berlin is actually on CEST, so it is 8:00 AM BST in London; similarly, when it is 9:00 AM in London in January, London is on GMT, while Berlin is on CET, making it 10:00 AM CET in Berlin. This distinction matters for flight departures, stock market coordination, customer support coverage, and webinar scheduling.

For business use, the overlap between the UK and Central Europe is generally strong because both regions share most of the workday. A 9:00 AM to 5:00 PM BST workday maps to 10:00 AM to 6:00 PM CEST in summer for cities like Paris, Amsterdam, and Munich, while a 9:00 AM to 5:00 PM GMT UK winter day maps to 10:00 AM to 6:00 PM CET. This one-hour practical gap is manageable for European Union operations, e-commerce logistics, aviation scheduling, and financial services, especially around hubs such as London, Frankfurt, Amsterdam, and Brussels.

Frequently Asked Questions

What is the exact time difference between CET and BST?

The exact offset difference between CET and BST is 0 hours because both are UTC+1. If you are comparing the labels themselves, 12:00 PM CET is the same as 12:00 PM BST. The confusion usually comes from comparing Central Europe’s local summer time, which is often CEST, not CET.

Why do CET and BST sometimes seem one hour apart?

They seem one hour apart because people often mean Central Europe local time when they say CET, even during months when Central Europe is actually observing CEST (UTC+2). During the UK summer, the UK uses BST (UTC+1), so CEST is 1 hour ahead of BST. For example, 9:00 AM in London in July is 10:00 AM in Paris or Berlin.

Is London on CET or BST?

London is not on CET; it uses GMT (UTC+0) in winter and BST (UTC+1) in summer. BST normally runs from the last Sunday in March to the last Sunday in October, which in 2025 means from 30 March to 26 October. If you are scheduling with London, you should check whether the date falls in the UK summer period before assuming the offset.

Are Germany and the UK always one hour apart?

In practical civil time, Germany and the UK are usually 1 hour apart all year, because Germany uses CET/CEST and the UK uses GMT/BST. In winter, Germany is on CET (UTC+1) while the UK is on GMT (UTC+0); in summer, Germany is on CEST (UTC+2) while the UK is on BST (UTC+1). So when it is 9:00 AM in London, it is usually 10:00 AM in Berlin regardless of season.

When do CET and BST change for daylight saving time?

In Europe, the coordinated daylight saving change happens on the last Sunday in March and the last Sunday in October. In 2025, that means 30 March 2025 for the spring change and 26 October 2025 for the autumn change. On those dates, the UK moves between GMT and BST, while Central Europe moves between CET and CEST, so checking the exact date is important for conference calls and travel itineraries.

How do I schedule a meeting between Central Europe and the UK without getting the time wrong?

Use the converter grid to compare the exact date, because the date determines whether you are dealing with CET, CEST, GMT, or BST. For example, a meeting set for 2:00 PM in London will usually be 3:00 PM in Berlin or Paris, but the tool helps you confirm that visually before sending invites. This is particularly useful for recruiting interviews, supplier calls, and remote engineering standups where even a one-hour mistake can affect attendance.

Is BST the same as GMT?

No, BST and GMT are not the same. BST is UTC+1 and is used in the UK during summer, while GMT is UTC+0 and is used during winter. If a calendar invite says BST, it is one hour later than GMT, which is critical for international flights, live broadcasts, and market-opening calls.