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