Time in GMT and SST
The time difference between Greenwich Mean Time (GMT) and Singapore Standard Time (SST) is 8 hours. Singapore Standard Time is 8 hours ahead of Greenwich Mean Time.
This means 9am GMT is 5pm SST and 5pm GMT is 1am SST (next day).
Greenwich Mean Time
- The current local time in GMT is 11:44 am (July 18, 2026)
- GMT time zone offset is UTC+00:00
Singapore Standard Time
- The current local time in SST is 7:44 pm (July 18, 2026)
- SST time zone offset is UTC+08:00
How to convert Greenwich Mean Time to Singapore Standard Time?
Add 8 hours to Greenwich Mean Time to get Singapore Standard Time.
Time in GMT
00:00
Time in SST
00:00
Use the slider above to convert Greenwich Mean 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
| GMT | SST |
|---|---|
| 12am | 8am |
| 1am | 9am |
| 2am | 10am |
| 3am | 11am |
| 4am | 12pm |
| 5am | 1pm |
| 6am | 2pm |
| 7am | 3pm |
| 8am | 4pm |
| 9am | 5pm |
| 10am | 6pm |
| 11am | 7pm |
| 12pm | 8pm |
| 1pm | 9pm |
| 2pm | 10pm |
| 3pm | 11pm |
| 4pm | 12am |
| 5pm | 1am |
| 6pm | 2am |
| 7pm | 3am |
| 8pm | 4am |
| 9pm | 5am |
| 10pm | 6am |
| 11pm | 7am |