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San Juan · Barbados · Halifax (winter)
Schedule a fair multi-city call with the free time and date meeting planner.
Difference
EDT vs AST
UTC → UTC
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New York · Toronto · Miami
AST to EDT converter
Convert AST to EDT time now
Free AST to EDT converter. See Atlantic Standard Time and Eastern Daylight Time side by side. Live clocks, a 0 hours gap, meeting hours, and a full-day chart for San Juan and New York.
America/Puerto_Rico
—
AST → EDT
To · Eastern Daylight Time
—
America/New_York
Interactive diagram
Watch AST convert into EDT
Drag the Atlantic hour. Watch the Eastern DT clock change.
Atlantic
9:00 AM AST
—
EDT ← AST
Eastern DT
—
Full-day chart
AST to EDT hourly conversion chart
Full-day table. Tap a row to copy. Labels follow daylight saving.
| Atlantic | Eastern DT | UTC offsets |
|---|
Meeting times
Best AST to EDT meeting window
Find hours that work on both sides. Then save the slot to your calendar.
Follow along
Step-by-step AST to EDT conversion
Four short steps to convert any AST time to EDT.
Choose AST time
Select any hour in Atlantic Standard Time. Smart mode uses America/Puerto_Rico.
AST to EDT conversion guide
AST to EDT conversion guide
This AST to EDT converter shows Eastern Daylight Time (UTC−4) for any Atlantic Standard Time (UTC−4) time. Use it to schedule between San Juan and New York. Choose Smart DST for live city clocks. Choose Fixed mode when you only want the AST and EDT labels.
Atlantic
AST
UTC−4
San Juan · Barbados · Halifax (winter)
AST vs EDT—
Eastern DT
EDT
UTC−4
New York · Toronto · Miami
What is AST to EDT conversion?
AST to EDT conversion turns a AST clock into the matching EDT time. Use it for calls, travel, and teams in San Juan and New York.
AST to EDT time difference
EDT and AST show the same clock time in Fixed mode. In Fixed mode, keep the same clock numbers. Both use UTC−4. The live clocks at the top show the current AST to EDT gap.
AST vs EDT
AST is UTC−4. EDT is UTC−4. They are different names. If a region uses daylight saving, check the live labels.
AST to EDT now / current time
Need ast to edt right now? Read the live clocks, or tap Use current time for an instant AST → EDT result.
AST to EDT time difference
Season / context — tap to explore
See how daylight saving can change this pair.
Atlantic—
—AST → EDT
Eastern DT—
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 EDT (UTC−4)
Eastern DT
Eastern Daylight Time (EDT)
UTC−4
Eastern Daylight Time (EDT) is UTC−4. Smart DST uses America/New_York for cities such as New York · Toronto · Miami.
- Cities: New York · Toronto · Miami
- City clock: America/New_York
- Fixed EDT: UTC−4
- From AST: EDT and AST show the same clock time in Fixed mode
AST to EDT FAQ