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Singapore
Find the best shared slot in the world meeting planner.
Difference
AST vs SGT
UTC → UTC
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San Juan · Barbados · Halifax (winter)
SGT to AST converter
Convert SGT to AST time now
Free SGT to AST converter. See Singapore Time and Atlantic Standard Time side by side. Live clocks, a 12 hours gap, meeting hours, and a full-day chart for Singapore and San Juan.
Asia/Singapore
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SGT → AST
To · Atlantic Standard Time
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America/Puerto_Rico
Interactive diagram
Watch SGT convert into AST
Drag the Singapore hour. Watch the Atlantic clock change.
Singapore
9:00 AM SGT
—
AST ← SGT
Atlantic
—
Full-day chart
SGT to AST hourly conversion chart
Full-day table. Tap a row to copy. Labels follow daylight saving.
| Singapore | Atlantic | UTC offsets |
|---|
Meeting times
Best SGT to AST meeting window
Find hours that work on both sides. Then save the slot to your calendar.
Follow along
Step-by-step SGT to AST conversion
Four short steps to convert any SGT time to AST.
Choose SGT time
Select any hour in Singapore Time. Smart mode uses Asia/Singapore.
SGT to AST conversion guide
SGT to AST conversion guide
This SGT to AST converter shows Atlantic Standard Time (UTC−4) for any Singapore Time (UTC+8) time. Use it to schedule between Singapore and San Juan. Choose Smart DST for live city clocks. Choose Fixed mode when you only want the SGT and AST labels.
Singapore
SGT
UTC+8
Singapore
SGT vs AST—
Atlantic
AST
UTC−4
San Juan · Barbados · Halifax (winter)
What is SGT to AST conversion?
SGT to AST conversion turns a SGT clock into the matching AST time. Use it for calls, travel, and teams in Singapore and San Juan.
SGT to AST time difference
AST is 12 hours behind SGT. Subtract 12 hours from the SGT time to get AST. The live clocks at the top show the current SGT to AST gap.
SGT vs AST
SGT is UTC+8. AST is UTC−4. They are different names. If a region uses daylight saving, check the live labels.
SGT to AST now / current time
Need sgt to ast right now? Read the live clocks, or tap Use current time for an instant SGT → AST result.
SGT to AST time difference
Season / context — tap to explore
See how daylight saving can change this pair.
Singapore—
—SGT → AST
Atlantic—
Quick answers
Singapore
Singapore Time (SGT)
UTC+8
Singapore Time (SGT) is UTC+8. Smart DST uses the city clock Asia/Singapore so daylight saving stays correct for Singapore.
- Cities: Singapore
- City clock: Asia/Singapore
- Fixed SGT: UTC+8
- 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 SGT: AST is 12 hours behind SGT
SGT to AST FAQ