--:--:--
—
San Juan · Barbados · Halifax (winter)
Schedule a fair multi-city call with the free worldwide meeting planner.
Difference
CEST vs AST
UTC → UTC
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—
Paris · Berlin · Rome
AST to CEST converter
AST to CEST Converter
Convert AST (San Juan) to CEST (Paris) now. Live clocks, the current time difference, and a simple meeting window — free.
America/Puerto_Rico
—
AST → CEST
To · Central European Summer Time
—
Europe/Paris
Interactive diagram
Watch AST convert into CEST
Drag the Atlantic hour. Watch the Central Europe ST clock change.
Atlantic
9:00 AM AST
—
CEST ← AST
Central Europe ST
—
Full-day chart
AST to CEST hourly conversion chart
Full-day table. Tap a row to copy. Labels follow daylight saving.
| Atlantic | Central Europe ST | UTC offsets |
|---|
Meeting times
Best AST to CEST meeting window
Find hours that work on both sides. Then save the slot to your calendar.
Follow along
Step-by-step AST to CEST conversion
Four short steps to convert any AST time to CEST.
Choose AST time
Select any hour in Atlantic Standard Time. Smart mode uses America/Puerto_Rico.
AST to CEST conversion guide
AST to CEST conversion guide
This AST to CEST converter shows Central European Summer Time (UTC+2) for any Atlantic Standard Time (UTC−4) time. Use it to schedule between San Juan and Paris. Choose Smart DST for live city clocks. Choose Fixed mode when you only want the AST and CEST labels.
Atlantic
AST
UTC−4
San Juan · Barbados · Halifax (winter)
AST vs CEST—
Central Europe ST
CEST
UTC+2
Paris · Berlin · Rome
What is AST to CEST conversion?
AST to CEST conversion turns a AST clock into the matching CEST time. Use it for calls, travel, and teams in San Juan and Paris.
AST to CEST time difference
CEST is 6 hours ahead of AST. Add 6 hours to the AST time to get CEST. The live clocks at the top show the current AST to CEST gap.
AST vs CEST
AST is UTC−4. CEST is UTC+2. They are different names. If a region uses daylight saving, check the live labels.
AST to CEST now / current time
Need ast to cest right now? Read the live clocks, or tap Use current time for an instant AST → CEST result.
AST to CEST time difference
Season / context — tap to explore
See how daylight saving can change this pair.
Atlantic—
—AST → CEST
Central Europe ST—
Quick answers
Atlantic
Atlantic Standard Time (AST)
UTC−4
Atlantic Standard Time (AST) is UTC−4. Smart DST uses the city clock America/Puerto_Rico so daylight saving stays correct for San Juan · Barbados · Halifax (winter).
- Cities: San Juan · Barbados · Halifax (winter)
- City clock: America/Puerto_Rico
- Fixed AST: UTC−4
- On this page it pairs with CEST (UTC+2)
Central Europe ST
Central European Summer Time (CEST)
UTC+2
Central European Summer Time (CEST) is UTC+2. Smart DST uses Europe/Paris for cities such as Paris · Berlin · Rome.
- Cities: Paris · Berlin · Rome
- City clock: Europe/Paris
- Fixed CEST: UTC+2
- From AST: CEST is 6 hours ahead of AST
AST to CEST FAQ
Common AST to CEST questions
What is the AST to CEST time difference?
CEST is 6 hours ahead of AST. Fixed labels: AST = UTC−4, CEST = UTC+2. Add 6 hours to the AST time to get CEST.
How do I convert AST to CEST quickly?
Add 6 hours to the AST time to get CEST. Example: 3:00 AM AST → 9:00 AM CEST. Or use the live AST to CEST converter above.
Is CEST the same as AST?
No. AST is UTC−4 (San Juan · Barbados · Halifax (winter)). CEST is UTC+2 (Paris · Berlin · Rome).
What is a good AST to CEST meeting time?
CEST is ahead. Try 7:00–11:00 AM AST. That is about 1:00 PM–5:00 PM CEST. Use the meeting planner on this page to export an ICS or Google Calendar invite.
What cities use AST and CEST?
AST is common in San Juan · Barbados · Halifax (winter). CEST is common in Paris · Berlin · Rome. Smart DST uses America/Puerto_Rico and Europe/Paris.