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Los Angeles · Seattle · Vancouver
Find the best shared slot in the world time clock meeting planner.
Difference
AST vs PDT
UTC → UTC
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San Juan · Barbados · Halifax (winter)
PDT to AST converter
Convert PDT to AST time now
Free PDT to AST converter. See Pacific Daylight Time and Atlantic Standard Time side by side. Live clocks, a 3 hours gap, meeting hours, and a full-day chart for Los Angeles and San Juan.
America/Los_Angeles
—
PDT → AST
To · Atlantic Standard Time
—
America/Puerto_Rico
Interactive diagram
Watch PDT convert into AST
Drag the Pacific DT hour. Watch the Atlantic clock change.
Pacific DT
9:00 AM PDT
—
AST ← PDT
Atlantic
—
Full-day chart
PDT to AST hourly conversion chart
Full-day table. Tap a row to copy. Labels follow daylight saving.
| Pacific DT | Atlantic | UTC offsets |
|---|
Meeting times
Best PDT to AST meeting window
Find hours that work on both sides. Then save the slot to your calendar.
Follow along
Step-by-step PDT to AST conversion
Four short steps to convert any PDT time to AST.
Choose PDT time
Select any hour in Pacific Daylight Time. Smart mode uses America/Los_Angeles.
PDT to AST conversion guide
PDT to AST conversion guide
This PDT to AST converter shows Atlantic Standard Time (UTC−4) for any Pacific Daylight Time (UTC−7) time. Use it to schedule between Los Angeles and San Juan. Choose Smart DST for live city clocks. Choose Fixed mode when you only want the PDT and AST labels.
Pacific DT
PDT
UTC−7
Los Angeles · Seattle · Vancouver
PDT vs AST—
Atlantic
AST
UTC−4
San Juan · Barbados · Halifax (winter)
What is PDT to AST conversion?
PDT to AST conversion turns a PDT clock into the matching AST time. Use it for calls, travel, and teams in Los Angeles and San Juan.
PDT to AST time difference
AST is 3 hours ahead of PDT. Add 3 hours to the PDT time to get AST. The live clocks at the top show the current PDT to AST gap.
PDT vs AST
PDT is UTC−7. AST is UTC−4. They are different names. If a region uses daylight saving, check the live labels.
PDT to AST now / current time
Need pdt to ast right now? Read the live clocks, or tap Use current time for an instant PDT → AST result.
PDT to AST time difference
Season / context — tap to explore
See how daylight saving can change this pair.
Pacific DT—
—PDT → AST
Atlantic—
Quick answers
Pacific DT
Pacific Daylight Time (PDT)
UTC−7
Pacific Daylight Time (PDT) is UTC−7. Smart DST uses the city clock America/Los_Angeles so daylight saving stays correct for Los Angeles · Seattle · Vancouver.
- Cities: Los Angeles · Seattle · Vancouver
- City clock: America/Los_Angeles
- Fixed PDT: UTC−7
- 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 PDT: AST is 3 hours ahead of PDT
PDT to AST FAQ