CET to CEST
+1hCET
CETSOURCECEST
CESTGreen rows indicate typical business hours (9 AM - 5 PM)
CET and CEST on the World Map
The map below highlights the CET (Central European Time) and CEST (Central European Summer Time) timezone regions across the globe.
CET – Central European Time
UTC+01:00Central European Time (CET) is used across most of Western and Central Europe, 1 hour ahead of UTC.
- •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.
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).
Everything You Need to Know About CET and CEST Time
CET runs on Central European Time (CET) at UTC+01:00. CEST runs on Central European Summer Time (CEST) at UTC+02:00. That puts CET 1 hour ahead of CEST — a difference of +1h at the current offsets.
In practice, when it is 9:00 AM in CET it is 10:00 AM in CEST. Midnight in CET is 1:00 AM in CEST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
CET to CEST time conversion table
| CET (CET) | CEST (CEST) | Day |
|---|---|---|
| 12:00 AM | 1:00 AM | same day |
| 6:00 AM | 7:00 AM | same day |
| 7:00 AM | 8:00 AM | same day |
| 8:00 AM | 9:00 AM | same day |
| 9:00 AM | 10:00 AM | same day |
| 12:00 PM | 1:00 PM | same day |
| 3:00 PM | 4:00 PM | same day |
| 5:00 PM | 6:00 PM | same day |
| 6:00 PM | 7:00 PM | same day |
| 9:00 PM | 10:00 PM | same day |
Why people convert CET to CEST time
- Scheduling a call from CET to CEST: a 10:00 AM start in CET lands at 11:00 AM in CEST, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both CET and CEST are inside the 9-to-5 working day between 9:00 AM and 4:00 PM CET time (10:00 AM–5:00 PM CEST). That is roughly 7 hours of usable overlap.
- Watching a live event or market open: CET viewers need 10:00 AM in CEST to catch a 9:00 AM start there, and 11:00 PM if the event is anchored to CET.
- Always state the zone abbreviation, not just the hour. "3:00 PM CET" is unambiguous; "3 PM" across a +1h gap is not.
- Block 9:00 AM–4:00 PM CET as the recurring meeting window if you work primarily from CET and need CEST colleagues present.
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 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.
Best time to call between CET and CEST
Both CET and CEST sit inside the 9 AM – 5 PM working day between 9:00 AM–4:00 PM CET, which is 10:00 AM–5:00 PM CEST. That gives roughly 7 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
CET and CEST share 7 hours of working-hours overlap (9:00 AM–4:00 PM CET), so scheduling a live meeting is straightforward.
CET is 1 hour ahead of CEST (CET UTC+01:00 → CEST UTC+02:00). The shared working window is 9:00 AM–4:00 PM CET. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
CET
☀ Currently in DST
Standard: UTC+01:00 · DST: UTC+02:00
Clocks fall back on Sun, Oct 25, 2026
CEST
☀ Currently in DST
Standard: UTC+01:00 · DST: UTC+02:00
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 CET and CEST?
CET (CET, UTC+01:00) is 1 hour ahead of CEST (CEST, UTC+02:00). The gap is currently +1h.
How do I convert CET time to CEST time?
Add +1h to CET local time. For example, 9:00 AM in CET is 10:00 AM in CEST.
What time is it in CEST right now?
CEST uses CEST at UTC+02:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +1h offset from CET.
What is the best time to call CEST from CET?
Call between 9:00 AM and 4:00 PM CET — that maps to 10:00 AM–5:00 PM CEST and keeps both parties inside the working day.
Which is ahead, CET or CEST?
CET is 1 hour ahead of CEST. When it is 12:00 PM in CET it is 1:00 PM in CEST.
Does daylight saving time affect the CET–CEST difference?
Neither zone observes daylight saving time, so the +1h offset between CET and CEST is fixed all year.
Which other cities share CET's time zone?
CET also covers Paris, Berlin, Rome, Madrid, Amsterdam, Brussels, Vienna, Warsaw and 10 more.
Which countries use CET, CET's zone?
CET is used in Germany, France, Italy, Spain, Netherlands, Belgium, Austria, Switzerland and 19 more.
Is there a day difference between CET and CEST?
Not normally. The +1h gap only pushes the date over for late-evening times.
What is the time difference between CET and CEST?
CEST is +1h from CET.
What timezone is CET in?
CET operates on its local timezone.
What timezone is CEST in?
CEST operates on its local timezone.
Which countries use CET (Central European Time)?
CET is used in Germany, France, Italy, Spain, Netherlands, Belgium, and 21 more countries.
Does CET observe daylight saving time?
Yes, CET switches to CEST during summer months.
What are some interesting facts about CET?
CET covers more European countries than any other time zone. Spain uses CET despite being geographically aligned with GMT/WET.
Which cities are in the CEST timezone?
Major cities in the CEST timezone include Paris, Berlin, Rome, Madrid, Amsterdam, Vienna, Stockholm.
What is the UTC offset for CEST?
Central European Summer Time (CEST) is at UTC+02:00. During daylight saving time, it shifts to CET.
What should I know about the CEST timezone?
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.
When is it midnight in CET, what time is it in CEST?
When it is 12:00 AM (midnight) in CET (CET), it is +1h later in CEST (CEST).
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