AST SingaporeTime Converter
AST (UTC−4) is currently 12 hours behind Singapore (SGT, UTC+8). Compare live clocks, convert any hour, and find times to meet.
Best time to meet between AST and Singapore
Best meeting times:
AST: 6:00 AM – 10:00 AM
Singapore: 6:00 PM – 10:00 PM
Quick answer
When it's in AST, it's the same day in Singapore.
AST runs 12 hours behind Singapore (SGT). A 9-to-5 workday on one side lands in the other side's evening or night, so the two cities share almost no normal working hours: edge-of-day calls are the trick.
- Time difference
- +12h 00m
- AST
- UTC−4
- Singapore
- UTC+8
- Best call window
- Outside 9–6
AST to Singapore conversion table
The next 12 hours in AST and the matching local time in Singapore. The current hour is highlighted; drag the converter's slider and the table follows.
| AST | Singapore · SGT |
|---|---|
| NOW Thu, Aug 6 |
Fri, Aug 7 |
Thu, Aug 6 |
Fri, Aug 7 |
Thu, Aug 6 |
Fri, Aug 7 |
Thu, Aug 6 |
Fri, Aug 7 |
Thu, Aug 6 |
Fri, Aug 7 |
Thu, Aug 6 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Daylight saving shifts this gap by up to 1 hour
The difference between AST and Singapore swings between 11 and 12 hours across the year as each side starts or ends daylight saving. Regions on AST switch to ADT (UTC−3) during daylight saving time. Singapore does not observe daylight saving time. This page always shows the live, DST-aware difference.
Related time zone conversions
Jump straight to another pair: every combination is a live tool, not an article.
From AST
To Singapore
One source of truth, for you and your AI
This page exposes the same answer as structured data, so when you ask an assistant "what's 9am AST time in Singapore?", it can cite the exact, DST-aware result, not a stale blog post.
- Schema.org JSON-LD on every converter page
- A machine-readable facts island with time zone identifiers and every possible offset
- Live times in <time datetime> elements with explicit UTC offsets
{
"pair": "AST → Singapore",
"url": "https://worldclock.pro/en/convert/ast-to-singapore",
"from": {
"name": "AST",
"type": "timezone",
"abbreviation": "AST",
"daylightAbbreviation": "ADT",
"iana": "America/Halifax",
"standardUtcOffset": "-04:00",
"daylightUtcOffset": "-03:00",
"referenceCity": "Halifax"
},
"to": {
"name": "Singapore",
"type": "city",
"abbreviation": "SGT",
"daylightAbbreviation": null,
"iana": "Asia/Singapore",
"standardUtcOffset": "+08:00",
"daylightUtcOffset": null,
"referenceCity": "Singapore"
},
"currentDifferenceMinutes": 720,
"possibleDifferencesMinutes": [
660,
720
],
"note": "Between the regions that use these zones the difference is 11 and 12 hours across the year, depending on daylight saving on each side. The clocks on this page show the named zones themselves, which are fixed."
}
Frequently asked questions
What is the time difference between AST and Singapore?
AST is currently 12 hours behind Singapore. AST is on AST (UTC−4) and Singapore is on SGT (UTC+8). The difference can change when either side starts or ends daylight saving time.
Is Singapore ahead of or behind AST?
Singapore is currently 12 hours ahead of AST.
When it is 9:00 AM in AST, what time is it in Singapore?
When it is 9:00 AM on a Thursday in AST, it is 9:00 PM in Singapore.
Do AST and Singapore observe daylight saving time?
Regions on AST switch to ADT (UTC−3) during daylight saving time. Singapore does not observe daylight saving time.
How do I convert AST time to Singapore time?
Add 12 hours to any time in AST to get the time in Singapore. This page's converter and 24-hour table do it automatically and stay correct through daylight-saving changes.
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