Home / Time zones / HST to SGT
HST to SGT converter
Hawaii Time
—
Singapore Time
—
Singapore Time is always 18 hours ahead of Hawaii Time.
When does the difference change?
The difference stays the same all year: SGT is 18 hours ahead of HST.
Questions
What time is 9 AM HST in SGT?
9 AM Hawaii Time is 3 AM the next day Singapore Time.
How many hours ahead or behind is SGT from HST?
Singapore Time is always 18 hours ahead of Hawaii Time.
Does the HST to SGT difference change?
No, it stays the same all year.
About these time zones
HST to SGT, hour by hour
| Hawaii Time | Singapore Time |
|---|---|
| 12 AM | 6 PM |
| 1 AM | 7 PM |
| 2 AM | 8 PM |
| 3 AM | 9 PM |
| 4 AM | 10 PM |
| 5 AM | 11 PM |
| 6 AM | 12 AM (next day) |
| 7 AM | 1 AM (next day) |
| 8 AM | 2 AM (next day) |
| 9 AM | 3 AM (next day) |
| 10 AM | 4 AM (next day) |
| 11 AM | 5 AM (next day) |
| 12 PM | 6 AM (next day) |
| 1 PM | 7 AM (next day) |
| 2 PM | 8 AM (next day) |
| 3 PM | 9 AM (next day) |
| 4 PM | 10 AM (next day) |
| 5 PM | 11 AM (next day) |
| 6 PM | 12 PM (next day) |
| 7 PM | 1 PM (next day) |
| 8 PM | 2 PM (next day) |
| 9 PM | 3 PM (next day) |
| 10 PM | 4 PM (next day) |
| 11 PM | 5 PM (next day) |
Based on the clocks on Monday, October 12, 2026. Use the converter above for another date.