--:--:--
—
San Juan · Barbados · Halifax (winter)
Find the best shared slot in the business meeting planner.
Difference
CET vs AST
UTC → UTC
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—
Paris · Berlin · Rome
AST to CET converter
Convert AST to CET time now
Free AST to CET converter. See Atlantic Standard Time and Central European Time side by side. Live clocks, a 5 hours gap, meeting hours, and a full-day chart for San Juan and Paris.
America/Puerto_Rico
—
AST → CET
To · Central European Time
—
Europe/Paris
Interactive diagram
Watch AST convert into CET
Drag the Atlantic hour. Watch the Central Europe clock change.
Atlantic
9:00 AM AST
—
CET ← AST
Central Europe
—
Full-day chart
AST to CET hourly conversion chart
Full-day table. Tap a row to copy. Labels follow daylight saving.
| Atlantic | Central Europe | UTC offsets |
|---|
Meeting times
Best AST to CET meeting window
Find hours that work on both sides. Then save the slot to your calendar.
Follow along
Step-by-step AST to CET conversion
Four short steps to convert any AST time to CET.
Choose AST time
Select any hour in Atlantic Standard Time. Smart mode uses America/Puerto_Rico.
AST to CET conversion guide
AST to CET conversion guide
This AST to CET converter shows Central European Time (UTC+1) 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 CET labels.
Atlantic
AST
UTC−4
San Juan · Barbados · Halifax (winter)
AST vs CET—
Central Europe
CET
UTC+1
Paris · Berlin · Rome
What is AST to CET conversion?
AST to CET conversion turns a AST clock into the matching CET time. Use it for calls, travel, and teams in San Juan and Paris.
AST to CET time difference
CET is 5 hours ahead of AST. Add 5 hours to the AST time to get CET. The live clocks at the top show the current AST to CET gap.
AST vs CET
AST is UTC−4. CET is UTC+1. They are different names. If a region uses daylight saving, check the live labels.
AST to CET now / current time
Need ast to cet right now? Read the live clocks, or tap Use current time for an instant AST → CET result.
AST to CET time difference
Season / context — tap to explore
See how daylight saving can change this pair.
Atlantic—
—AST → CET
Central Europe—
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 CET (UTC+1)
Central Europe
Central European Time (CET)
UTC+1
Central European Time (CET) is UTC+1. Smart DST uses Europe/Paris for cities such as Paris · Berlin · Rome.
- Cities: Paris · Berlin · Rome
- City clock: Europe/Paris
- Fixed CET: UTC+1
- From AST: CET is 5 hours ahead of AST
AST to CET FAQ