Time in SST and AST
The time difference between Singapore Standard Time (SST) and Atlantic Standard Time (AST) is 12 hours. Atlantic Standard Time is 12 hours behind Singapore Standard Time.
This means 9am SST is 9pm AST (previous day) and 5pm SST is 5am AST.
Singapore Standard Time
- The current local time in SST is 3:06 pm (September 2, 2026)
- SST time zone offset is UTC+08:00
Atlantic Standard Time
- The current local time in AST is 11:06 am (September 2, 2026)
- AST time zone offset is UTC-04:00
How to convert Singapore Standard Time to Atlantic Standard Time?
Subtract 12 hours from Singapore Standard Time to get Atlantic Standard Time.
Time in SST
00:00
Time in AST
00:00
Use the slider above to convert Singapore Standard Time to Atlantic 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
| SST | AST |
|---|---|
| 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 |