SGT to AST Time Converter
Use this SGT to AST time converter to compare Singapore and Canada time instantly. AST is 12 hours behind SGT, so 9:00 AM SGT becomes 9:00 PM (previous day) AST and 5:00 PM SGT becomes 5:00 AM AST. The page is useful for business-hours overlap, international calls, remote-team handoffs, webinars, and travel planning, with daylight saving adjustments handled automatically.
SGT to AST Quick Facts
Use this SGT to AST converter to compare Singapore and Canada time, check the 12 hours gap, and confirm the right slot for calls, handoffs, and deadlines. Find the best overlap for calls and meetings.
How to Convert SGT to AST
Converting between Singapore Time and Atlantic Standard Time means accounting for a 12 hours gap — here's how to do it in under 10 seconds with no sign-up.
Pick the date and time in Singapore Time (UTC +8) that you want to convert. Hit "Now" to load the current SGT time instantly, or use "+1h" to step forward and compare.
The equivalent Atlantic Standard Time (UTC -4) time appears immediately. Since AST is 12 hours behind of SGT, conversions often cross midnight — look for the date-change label.
Click "Copy Time" to grab the AST result for your calendar or message. Use "+1d" to check how the conversion shifts across dates — helpful for scheduling recurring Singapore–Canada calls.
Why Choose Our SGT to AST Converter
With 12 hours between SGT and AST, business-hours overlap is limited. This tool instantly shows which hours work on both sides, so you can lock in a meeting without a chain of "does 3 PM work for you?" emails.
A SGT evening at 9 PM is already the previous afternoon in AST. This converter flags date changes beside the result — critical when booking flights, hitting deadlines, or scheduling across the Singapore–Canada corridor.
Daylight Saving adjustments can widen or narrow the SGT–AST gap by an hour. During transition weeks many people get it wrong. This converter pulls the current UTC offsets automatically, so the result is right even on the changeover day.
Product launches, sports matches, and webinars are often announced in SGT. Convert the event time to AST so you know exactly when to tune in — with a 12 hours difference, a morning event in Singapore hits the evening in Canada.
SGT to AST Time Conversion Chart
Quick-reference conversion table covering every hour of the day at a glance.
Singapore Time to Atlantic Standard Time full day schedule
| Singapore Time | Atlantic Standard Time |
|---|---|
| 12:00 AM |
12:00 PM
(previous day)
|
| 1:00 AM |
1:00 PM
(previous day)
|
| 2:00 AM |
2:00 PM
(previous day)
|
| 3:00 AM |
3:00 PM
(previous day)
|
| 4:00 AM |
4:00 PM
(previous day)
|
| 5:00 AM |
5:00 PM
(previous day)
|
| 6:00 AM |
6:00 PM
(previous day)
|
| 7:00 AM |
7:00 PM
(previous day)
|
| 8:00 AM |
8:00 PM
(previous day)
|
| 9:00 AM |
9:00 PM
(previous day)
|
| 10:00 AM |
10:00 PM
(previous day)
|
| 11:00 AM |
11:00 PM
(previous day)
|
| 12:00 PM |
12:00 AM
|
| 1:00 PM |
1:00 AM
|
| 2:00 PM |
2:00 AM
|
| 3:00 PM |
3:00 AM
|
| 4:00 PM |
4:00 AM
|
| 5:00 PM |
5:00 AM
|
| 6:00 PM |
6:00 AM
|
| 7:00 PM |
7:00 AM
|
| 8:00 PM |
8:00 AM
|
| 9:00 PM |
9:00 AM
|
| 10:00 PM |
10:00 AM
|
| 11:00 PM |
11:00 AM
|
Timezone offsets and DST rules verified against the IANA Time Zone Database. Conversion math and business-hour overlap windows double-checked against real-world scheduling scenarios.
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Find the time difference from any major zone into Atlantic Standard Time. Use these pages when scheduling with Canada from a different region.