SGT to GMT Converter
GMT is 8 hours behind SGT
SGT to GMT Conversion Table
Green rows indicate standard business hours (9 AM – 5 PM) in GMT
| SGT | GMT |
|---|---|
| 12:00 AM | 4:00 PM -1d |
| 1:00 AM | 5:00 PM -1d |
| 2:00 AM | 6:00 PM -1d |
| 3:00 AM | 7:00 PM -1d |
| 4:00 AM | 8:00 PM -1d |
| 5:00 AM | 9:00 PM -1d |
| 6:00 AM | 10:00 PM -1d |
| 7:00 AM | 11:00 PM -1d |
| 8:00 AM | 12:00 AM |
| 9:00 AM | 1:00 AM |
| 10:00 AM | 2:00 AM |
| 11:00 AM | 3:00 AM |
| 12:00 PM | 4:00 AM |
| 1:00 PM | 5:00 AM |
| 2:00 PM | 6:00 AM |
| 3:00 PM | 7:00 AM |
| 4:00 PM | 8:00 AM |
| 5:00 PM | 9:00 AM |
| 6:00 PM | 10:00 AM |
| 7:00 PM | 11:00 AM |
| 8:00 PM | 12:00 PM |
| 9:00 PM | 1:00 PM |
| 10:00 PM | 2:00 PM |
| 11:00 PM | 3:00 PM |
Converting Singapore Time to Greenwich Mean Time
Singapore Time (SGT) and Greenwich Mean Time (GMT) are separated by a 8 hours time difference. GMT is 8 hours behind SGT. SGT is UTC+8, used in Singapore, while GMT is UTC+0, used in United Kingdom, Ireland, Portugal.
When converting from SGT to GMT, the key reference points to remember are: 9:00 AM SGT equals 1:00 AM GMT, 12:00 PM noon SGT equals 4:00 AM GMT, and 5:00 PM SGT equals 9:00 AM GMT. The conversion table above shows every hour of the day mapped between these two time zones.
Scheduling Across SGT and GMT
For professionals scheduling meetings between SGT and GMT, finding overlapping business hours is essential. Standard business hours are typically 9:00 AM to 5:00 PM in each time zone. Given the 8 hours difference, the window of overlap may be limited, making early morning or late evening calls necessary for one party. Use the highlighted working hours in the conversion table above to quickly identify suitable meeting times.
Daylight Saving Time Considerations
SGT does not observe Daylight Saving Time, maintaining UTC+8 year-round. GMT observes DST, switching to BST (UTC+1). During DST transitions, the time difference between these zones may temporarily change by 1 hour. Always verify the current offset during spring and fall transition periods.