Time in AST and SST
The time difference between Atlantic Standard Time (AST) and Singapore Standard Time (SST) is 12 hours. Singapore Standard Time is 12 hours ahead of Atlantic Standard Time.
This means 9am AST is 9pm SST and 5pm AST is 5am SST (next day).
Atlantic Standard Time
- The current local time in AST is 12:34 pm (September 2, 2026)
- AST time zone offset is UTC-04:00
Singapore Standard Time
- The current local time in SST is 4:34 pm (September 2, 2026)
- SST time zone offset is UTC+08:00
How to convert Atlantic Standard Time to Singapore Standard Time?
Add 12 hours to Atlantic Standard Time to get Singapore Standard Time.
Time in AST
00:00
Time in SST
00:00
Use the slider above to convert Atlantic Standard Time to Singapore Standard Time and view the day and night map at different times.
Day–night colors on the map:
Day
Civil twilight
Nautical twilight
Astronomical twilight
NightTime Conversion Chart
| AST | SST |
|---|---|
| 12am | 12pm |
| 1am | 1pm |
| 2am | 2pm |
| 3am | 3pm |
| 4am | 4pm |
| 5am | 5pm |
| 6am | 6pm |
| 7am | 7pm |
| 8am | 8pm |
| 9am | 9pm |
| 10am | 10pm |
| 11am | 11pm |
| 12pm | 12am |
| 1pm | 1am |
| 2pm | 2am |
| 3pm | 3am |
| 4pm | 4am |
| 5pm | 5am |
| 6pm | 6am |
| 7pm | 7am |
| 8pm | 8am |
| 9pm | 9am |
| 10pm | 10am |
| 11pm | 11am |