Does it handle Daylight Saving Time?

Yes, the tool automatically adjusts for Daylight Saving Time based on the specific date you select, ensuring accurate conversions year-round.

Can I add multiple cities?

Yes, you can add as many cities as you need to the dashboard to compare times across your entire global network simultaneously.

Oslo to BST

-1h

Oslo

CESTSOURCE

Norway · UTC+02:00☀ DST active

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

BST

UTC+01:00☀ DST active

HH11

MM00

11:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

Oslo

BST

12:00 AM

11:00 PM-1

2:00 AM

1:00 AM

4:00 AM

3:00 AM

6:00 AM

5:00 AM

8:00 AM

7:00 AM

10:00 AM

9:00 AM

12:00 PM

11:00 AM

2:00 PM

1:00 PM

4:00 PM

3:00 PM

6:00 PM

5:00 PM

8:00 PM

7:00 PM

10:00 PM

9:00 PM

Green rows indicate typical business hours (9 AM - 5 PM)

CEST and BST on the World Map

The map below highlights the CEST (Central European Time) and BST (British Summer Time) timezone regions across the globe.

CEST Zone

→

BST Zone

Explore all world timezones interactively →

CET – Central European Time

UTC+01:00

Central European Time (CET) is used across most of Western and Central Europe, 1 hour ahead of UTC.

Countries in CET

GermanyFranceItalySpainNetherlandsBelgiumAustriaSwitzerlandPolandCzech RepublicSwedenNorwayDenmarkHungaryCroatiaSerbiaSlovakiaSloveniaBosnia and HerzegovinaNorth MacedoniaAlbaniaMontenegroLuxembourgMaltaTunisiaAlgeriaNigeria

Major Cities in CET

ParisBerlinRomeMadridAmsterdamBrusselsViennaWarsawZurichStockholmOsloCopenhagenPragueBudapestBarcelonaMunichMilanLagos

Key Facts about CET

•CET covers more European countries than any other time zone.
•Spain uses CET despite being geographically aligned with GMT/WET.
•The Frankfurt Stock Exchange, Euronext (Amsterdam/Paris), and Borsa Italiana operate on CET.
•Over 500 million people live in the CET time zone.
•France moved to CET during the German occupation in WWII and never switched back.

Daylight Saving:Yes – switches to CEST

Learn more about CET on Wikipedia

BST – British Summer Time

UTC+01:00

British Summer Time (BST, UTC+01:00) is the daylight saving period in the United Kingdom, running from late March to late October.

Countries in BST

United Kingdom

Major Cities in BST

LondonBirminghamManchesterGlasgowEdinburghCardiffBelfastLiverpoolBristolLeeds

Key Facts about BST

•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.

Daylight Saving:Yes – switches to BST

Learn more about BST on Wikipedia

About Oslo

Wikipedia

Oslo operates on Central European Time (CET/CEST). As home to the world's largest sovereign wealth fund and major oil firms, Oslo influences global energy markets.

Population:693,000

Metro:1.5 million

Business Hours:8:00 AM - 4:00 PM CET

Currency:NOK (kr)

Stock Exchange:OSE (Oslo Stock Exchange)

Key Landmarks

Oslo Opera HouseVigeland ParkAkershus FortressMunch MuseumRoyal Palace

Did You Know?

Oslo aims to be car-free by 2030.

Learn more about CEST timezone →

Oslo vs BST: Offsets, DST and Best Call Times

Oslo runs on Central European Summer Time (CEST) at UTC+02:00, currently observing daylight saving time. BST runs on British Summer Time (BST) at UTC+01:00. That puts Oslo 1 hour behind BST — a difference of -1h at the current offsets.

In practice, when it is 9:00 AM in Oslo it is 8:00 AM in BST. Midnight in Oslo is 11:00 PM in BST.Oslo observes daylight saving time while BST does not, so the gap narrows or widens by an hour part of the year.

Oslo to BST time conversion table

Oslo (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 Oslo to BST time

Scheduling a call from Oslo to BST: a 10:00 AM start in Oslo lands at 9:00 AM in BST, so you can confirm the slot without doing the arithmetic yourself.
Finding shared working hours: both Oslo 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 Oslo-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 Oslo and need BST colleagues present.
Oslo: Clocks fall back on Sun, Oct 25, 2026. Re-check this page after that date because the offset changes and so does the -1h gap.

About CET (Central European Time)

Central European Time (CET) is the standard time zone for most of Europe, covering over 30 countries from Spain to Poland, and from Norway to Italy. CET is 1 hour ahead of GMT and is used by the European Union's most populous nations. During summer, most CET countries switch to Central European Summer Time (CEST, UTC+02:00). Major European financial markets in Frankfurt, Paris, and Amsterdam operate on CET.

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 Oslo and BST

Both Oslo 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

Oslo and BST share 7 hours of working-hours overlap (10:00 AM–5:00 PM CEST), so scheduling a live meeting is straightforward.

Oslo 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

Oslo

☀ 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:

⏳

History of Timekeeping

From sundials to atomic clocks - 5000 years of measuring time

🌍

How Time Zones Work

UTC, offsets, and why zones don't follow straight lines

☀️

Daylight Saving Time

DST dates, which countries observe it, and the ongoing debate

Frequently Asked Questions

What is the time difference between Oslo and BST?

Oslo (CEST, UTC+02:00) is 1 hour behind BST (BST, UTC+01:00). The gap is currently -1h.

How do I convert Oslo time to BST time?

Add -1h to Oslo local time. For example, 9:00 AM in Oslo 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 Oslo.

What is the best time to call BST from Oslo?

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, Oslo or BST?

Oslo is 1 hour behind BST. When it is 12:00 PM in Oslo it is 11:00 AM in BST.

Do Oslo and BST use different time zones?

Oslo (Norway) uses CEST at UTC+02:00, while BST uses BST at UTC+01:00. The IANA identifiers are Europe/Oslo and Europe/London.

Does daylight saving time affect the Oslo–BST difference?

Yes at the moment: Oslo is on daylight saving time and BST is not, so the -1h gap shifts by an hour when exactly one of them changes clocks.

Which other cities share Oslo's time zone?

CEST also covers Paris, Berlin, Rome, Madrid, Amsterdam, Brussels, Vienna, Warsaw and 10 more.

Which countries use CEST, Oslo's zone?

CEST is used in Germany, France, Italy, Spain, Netherlands, Belgium, Austria, Switzerland and 19 more.

Is there a day difference between Oslo and BST?

Not normally. The -1h gap only pushes the date over the previous day.

What is the time difference between Oslo and BST?

BST is -1h from Oslo.

What timezone is Oslo in?

Oslo operates on Central European Time (CET/CEST). As home to the world's largest sovereign wealth fund and major oil firms, Oslo influences global energy markets.