SGT to HST Converter
HST is 18 hours behind SGT. When it is 9:00 AM in SGT, it is 3:00 PM the previous day in HST.
For local times that follow daylight saving, use the Singapore to Honolulu converter.
Convert SGT to HST
Live- SGT2:27 PMThu, Nov 5
- HST8:27 PMWed, Nov 4−1 day
Thursday, November 5, 2026
SGT to HST time table
| SGT | HST |
|---|---|
| 12:00 AM | 6:00 AMprevious day |
| 1:00 AM | 7:00 AMprevious day |
| 2:00 AM | 8:00 AMprevious day |
| 3:00 AM | 9:00 AMprevious day |
| 4:00 AM | 10:00 AMprevious day |
| 5:00 AM | 11:00 AMprevious day |
| 6:00 AM | 12:00 PMprevious day |
| 7:00 AM | 1:00 PMprevious day |
| 8:00 AM | 2:00 PMprevious day |
| 9:00 AM | 3:00 PMprevious day |
| 10:00 AM | 4:00 PMprevious day |
| 11:00 AM | 5:00 PMprevious day |
| 12:00 PM | 6:00 PMprevious day |
| 1:00 PM | 7:00 PMprevious day |
| 2:00 PM | 8:00 PMprevious day |
| 3:00 PM | 9:00 PMprevious day |
| 4:00 PM | 10:00 PMprevious day |
| 5:00 PM | 11:00 PMprevious day |
| 6:00 PM | 12:00 AM |
| 7:00 PM | 1:00 AM |
| 8:00 PM | 2:00 AM |
| 9:00 PM | 3:00 AM |
| 10:00 PM | 4:00 AM |
| 11:00 PM | 5:00 AM |
Best time for a meeting
The best time to meet is 9:00 AM–11:00 AM in SGT (3:00 PM–5:00 PM in HST), when both are within 9 AM–5 PM working hours.
Daylight saving changes
SGT and HST are fixed UTC offsets, so the difference between them never changes.