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Données des villes par GeoNames (CC BY 4.0). Données de fuseaux horaires de la base de données des fuseaux horaires de l'IANA.

  1. WorldClockTools
  2. Convertisseur de Fuseau Horaire
  3. CET -> CEST

Timezone converter

Convertisseur CET vers CEST.

CET → CESTGap: +0h8h 9-5 overlap

CET to CEST currently uses Central European Time in Europe/Berlin and Central European Time in Europe/Berlin as the live reference pair, with a +0h live gap. CET to CEST matters whenever Berlin and Berlin need to coordinate across a +0h gap. The CET side covers Germany and Spain, while CEST covers Germany and Spain — that country mix is the practical reason this conversion shows up in calendars rather than the abstract offset math.

Last updated Apr 26, 2026. Offset math, DST behavior, and city coverage on both sides are refreshed from the live timezone dataset during the page revalidation window.

How this is calculated

How we calculate this
The current offset for each abbreviation is resolved against the live IANA timezone rules. Conversion accounts for DST transitions on both sides, so the gap between CET and CEST can change by an hour twice a year.
Data sources
IANA Time Zone Database (offsets, DST). City attribution from GeoNames (CC BY 4.0).
Update cadence
Page regenerates daily; live offset values reflect the moment the page is rendered.
Reverse: CEST → CET

From

CET

Central European Time

Europe/Berlin · GMT+2 +02:00

--:--:--

Major markets in this grouping include Berlin, Madrid, Algiers, Rome.

To

CEST

Central European Time

Europe/Berlin · GMT+2 +02:00

--:--:--

Major markets in this grouping include Berlin, Madrid, Algiers, Rome.

Scheduling snapshot

Current gap

+0h

CET +02:00 vs CEST +02:00

9-to-5 overlap

8h

CET 9:00 AM previous day to 5:00 PM previous day

Representative countries

Germany, Spain, and Algeria / Germany, Spain, and Algeria

Based on the busiest city and zone usage found in the current dataset.

Pair context

CET (Berlin, +02:00) to CEST (Berlin, +02:00) is currently a +0h conversion. Live coverage on the CET side is anchored by Berlin, Madrid, Algiers, and Rome; the CEST side draws from Berlin, Madrid, Algiers, and Rome.

CET to CEST matters whenever Berlin and Berlin need to coordinate across a +0h gap. The CET side covers Germany and Spain, while CEST covers Germany and Spain — that country mix is the practical reason this conversion shows up in calendars rather than the abstract offset math.

Both reference zones sit inside Europe, so this is a regional comparison rather than a long-haul conversion. The gap of +0h mostly affects intra-continental travel, regional logistics, and Europe-wide calendars.

Both CET (Europe/Berlin) and CEST (Europe/Berlin) observe daylight saving, but the shift dates do not always align. Expect short mismatch windows in spring and autumn when one side has changed and the other has not, which moves the live gap by an hour for several weeks at a time.

CET and CEST sit exactly 0h apart, leaving a generous 8h of shared 9-to-5 time. With that much overlap, this pair behaves almost like a single workday, so meeting times are negotiable rather than forced into a narrow corner of the calendar.

Market coverage on both sides

CET coverage on this page is led by Berlin, Germany, Madrid, Spain, Algiers, Algeria, and Rome, Italy, with 2 more in the live dataset. That mix is what makes CET feel anchored to European working-day rhythms in practice rather than just an abbreviation on a chart.

CEST coverage is led by Berlin, Germany, Madrid, Spain, Algiers, Algeria, and Rome, Italy, with 2 more anchoring the wider label family. Combined with the CET side, this conversion ends up describing intra-Europe regional logistics and travel coordination.

Digit-Roll Converter

Adjust the time — digits roll like an odometer. Swap button flips the zones.

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Common meeting times

CET to CEST meeting times

Quick conversions for 9 AM, noon, 3 PM, 6 PM, and 9 PM based on today's local calendar.

CETCESTDay relation
9:00 AM9:00 AMSun, Apr 26same day
12:00 PM12:00 PMSun, Apr 26same day
3:00 PM3:00 PMSun, Apr 26same day
6:00 PM6:00 PMSun, Apr 26same day
9:00 PM9:00 PMSun, Apr 26same day

CEST to CET meeting times

Quick conversions for 9 AM, noon, 3 PM, 6 PM, and 9 PM based on today's local calendar.

CESTCETDay relation
9:00 AM9:00 AMSun, Apr 26same day
12:00 PM12:00 PMSun, Apr 26same day
3:00 PM3:00 PMSun, Apr 26same day
6:00 PM6:00 PMSun, Apr 26same day
9:00 PM9:00 PMSun, Apr 26same day

Operational notes

CET to CEST ranges from CET 9:00 AM (which lands at CEST 9:00 AM) through CET 9:00 PM (CEST 9:00 PM). CET and CEST are close enough that this direction reads almost like a same-zone schedule — most CET invites land on a sensible CEST hour without any extra effort.

CEST to CET ranges from CEST 9:00 AM (which lands at CET 9:00 AM) through CEST 9:00 PM (CET 9:00 PM). CEST and CET are close enough that this direction reads almost like a same-zone schedule — most CEST invites land on a sensible CET hour without any extra effort.

Popular hour answers

These direct answers are here for the exact-intent searches people actually use, like “10 AM CET to CEST” or “4 PM CET in CEST”.

8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM9 PM

What is 8 AM CET in CEST?

8 AM CET = 8:00 AM CEST (08:00). On today's live calendar that lands on Sun, Apr 26 in CEST, which means the answer is a same day conversion rather than a static offset lookup.

What is 9 AM CET in CEST?

9 AM CET = 9:00 AM CEST (09:00). On today's live calendar that lands on Sun, Apr 26 in CEST, which means the answer is a same day conversion rather than a static offset lookup.

What is 10 AM CET in CEST?

10 AM CET = 10:00 AM CEST (10:00). On today's live calendar that lands on Sun, Apr 26 in CEST, which means the answer is a same day conversion rather than a static offset lookup.

What is 11 AM CET in CEST?

11 AM CET = 11:00 AM CEST (11:00). On today's live calendar that lands on Sun, Apr 26 in CEST, which means the answer is a same day conversion rather than a static offset lookup.

What is 12 PM CET in CEST?

12 PM CET = 12:00 PM CEST (12:00). On today's live calendar that lands on Sun, Apr 26 in CEST, which means the answer is a same day conversion rather than a static offset lookup.

What is 1 PM CET in CEST?

1 PM CET = 1:00 PM CEST (13:00). On today's live calendar that lands on Sun, Apr 26 in CEST, which means the answer is a same day conversion rather than a static offset lookup.

What is 2 PM CET in CEST?

2 PM CET = 2:00 PM CEST (14:00). On today's live calendar that lands on Sun, Apr 26 in CEST, which means the answer is a same day conversion rather than a static offset lookup.

What is 3 PM CET in CEST?

3 PM CET = 3:00 PM CEST (15:00). On today's live calendar that lands on Sun, Apr 26 in CEST, which means the answer is a same day conversion rather than a static offset lookup.

What is 4 PM CET in CEST?

4 PM CET = 4:00 PM CEST (16:00). On today's live calendar that lands on Sun, Apr 26 in CEST, which means the answer is a same day conversion rather than a static offset lookup.

What is 5 PM CET in CEST?

5 PM CET = 5:00 PM CEST (17:00). On today's live calendar that lands on Sun, Apr 26 in CEST, which means the answer is a same day conversion rather than a static offset lookup.

What is 6 PM CET in CEST?

6 PM CET = 6:00 PM CEST (18:00). On today's live calendar that lands on Sun, Apr 26 in CEST, which means the answer is a same day conversion rather than a static offset lookup.

What is 9 PM CET in CEST?

9 PM CET = 9:00 PM CEST (21:00). On today's live calendar that lands on Sun, Apr 26 in CEST, which means the answer is a same day conversion rather than a static offset lookup.

Overlap window and DST radar

The live gap is +0h right now, based on Europe/Berlin at +02:00 and Europe/Berlin at +02:00. Both zones change on October 25, 2026, so the gap usually stays close to +0h.

The most usable workday block right now is about 8 hours: CET 9:00 AM previous day to 5:00 PM previous day, which lines up with CEST 9:00 AM previous day to 5:00 PM previous day.

Europe/Berlin changes on October 25, 2026 at about 2:44 AM, moving from +01:00 to +01:00.
Europe/Berlin changes on October 25, 2026 at about 2:44 AM, moving from +01:00 to +01:00.

Reference zones

Europe/Berlin

GMT+2 · +02:00

Europe/Berlin

GMT+2 · +02:00

These are the busiest live references selected from the abbreviation families on this page.

Tableau de Conversion

CETCEST
02:0002:00
03:0003:00
04:0004:00
05:0005:00
06:0006:00
07:0007:00
08:0008:00
09:0009:00
10:0010:00
11:0011:00
12:0012:00
13:0013:00
14:0014:00
15:0015:00
16:0016:00
17:0017:00
18:0018:00
19:0019:00
20:0020:00
21:0021:00
22:0022:00
23:0023:00
00:0000:00
01:0001:00

Top cities using CET

Countries represented here include Germany, Spain, and Algeria.

BerlinGermanyMadridSpainAlgiersAlgeriaRomeItalyParisFranceHamburgGermanyBudapestHungaryWarsawPolandViennaAustriaBarcelonaSpain

Top cities using CEST

Countries represented here include Germany, Spain, and Algeria.

BerlinGermanyMadridSpainAlgiersAlgeriaRomeItalyParisFranceHamburgGermanyBudapestHungaryWarsawPolandViennaAustriaBarcelonaSpain

FAQ

How many hours is CEST ahead of CET?
CEST is currently +0h relative to CET, using Europe/Berlin and Europe/Berlin as the live reference zones on this page.
What is the best workday overlap between CET and CEST?
The current 9-to-5 overlap is about 8 hours: CET 9:00 AM previous day to 5:00 PM previous day, which matches CEST 9:00 AM previous day to 5:00 PM previous day.
Does the CET-CEST time difference change during DST?
The live gap is +0h right now, based on Europe/Berlin at +02:00 and Europe/Berlin at +02:00. Both zones change on October 25, 2026, so the gap usually stays close to +0h.
Which cities commonly use CET and CEST?
CET commonly covers cities such as Berlin, Madrid, Algiers, and Rome, while CEST commonly covers cities such as Berlin, Madrid, Algiers, and Rome.
Should I use CET/CEST or exact IANA zones?
Use the abbreviations for a quick read, but use exact IANA zones such as Europe/Berlin and Europe/Berlin when you need something precise in software, travel plans, or long-range scheduling.
Ouvrir le Convertisseur Interactif

Conversions Associées

EST → CETEST → CESTPST → CETPST → CESTCST → CETCST → CESTMST → CETMST → CESTGMT → CETGMT → CESTUTC → CETUTC → CEST

Related planning pages

Once a conversion pair matters, people usually need a city page, compare page, or a broader browse surface next.

Interactive converter

Move from this static pair into the full timezone converter with more cities and abbreviations.

Compare city pairs

Use compare pages when the practical question is overlap, not just offset arithmetic.

World clock

Open live city clocks after narrowing the timezone pair you care about.

Browse city pages

Jump into the strongest city pages when you want location-specific timezone context.