Singapore Time to Canada Atlantic Time
Convert times between Singapore Time (SGT, UTC+8:00) and Canada Atlantic Time (AST, UTC-4:00). Canada Atlantic Time is 12 hours behind Singapore Time in standard time. During daylight saving time this difference changes to 11 hours.
UTC+8:00→UTC-4:00 / -3:00
Live timezone converterUTC Offset Reference
| Timezone | Abbreviation | Standard offset | DST offset | Country |
|---|---|---|---|---|
| Singapore Time | SGT | UTC+8:00 | — | Singapore |
| Canada Atlantic Time | AST / ADT | UTC-4:00 | UTC-3:00 | Canada |
* DST offset applies during summer months. Exact transition dates vary by year.
Standard Time Conversion (SGT → AST)
| Singapore Time | Canada Atlantic Time |
|---|---|
| 12:00 AM SGT | 12:00 PM (prev day) AST |
| 6:00 AM SGT | 6:00 PM (prev day) AST |
| 9:00 AM SGT | 9:00 PM (prev day) AST |
| 12:00 PM SGT | 12:00 AM AST |
| 3:00 PM SGT | 3:00 AM AST |
| 6:00 PM SGT | 6:00 AM AST |
| 9:00 PM SGT | 9:00 AM AST |
Summer (DST) Conversion (SGT → ADT)
| Singapore Time (summer) | Canada Atlantic Time (summer) |
|---|---|
| 12:00 AM SGT | 1:00 PM (prev day) ADT |
| 6:00 AM SGT | 7:00 PM (prev day) ADT |
| 9:00 AM SGT | 10:00 PM (prev day) ADT |
| 12:00 PM SGT | 1:00 AM ADT |
| 3:00 PM SGT | 4:00 AM ADT |
| 6:00 PM SGT | 7:00 AM ADT |
| 9:00 PM SGT | 10:00 AM ADT |
Daylight Saving Time (DST) Notes
- Canada Atlantic Time observes DST. Clocks advance 1 hour to ADT (UTC-3:00) roughly from month 3 to 11.
- The offset difference shifts between 12h (standard) and 11h (DST season). Always verify the current offset using the live converter below.
Frequently Asked Questions
How do I convert SGT to AST?
Add (-12) hours to the SGT time to get AST. For example, 9:00 AM SGT = 9:00 PM AST.
What is the current UTC offset for Singapore Time?
Singapore Time is always UTC+8:00 (SGT) — it does not observe DST.
Is Canada Atlantic Time ahead or behind Singapore Time?
Canada Atlantic Time is 12 hours behind Singapore Time in standard time.
When is a good time to schedule a meeting between SGT and AST?
Due to the 12-hour difference, business-hours overlap may be limited. Use the live timezone converter to find a mutually convenient time.
Related Timezone Conversions
Singapore Time → US Eastern TimeSGT / ESTSingapore Time → US Central TimeSGT / CSTSingapore Time → US Mountain TimeSGT / MSTSingapore Time → US Pacific TimeSGT / PSTSingapore Time → US Alaska TimeSGT / AKSTSingapore Time → Hawaii TimeSGT / HSTSingapore Time → Indochina TimeSGT / ICTSingapore Time → Greenwich Mean TimeSGT / GMT
Need the exact current time?
Use the live ToolsHub timezone converter to see current times, DST status, and schedule across time zones.