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Convert Hawaii Standard Time (HST) to Singapore Time (SGT, UTC+8) for regional business calls. Free converter with real-time conversion, meeting time planner, and business hours comparison for HST to SGT coordination. Includes 24-hour conversion table and live time displays. Perfect for international scheduling and global team collaboration. Works on all devices with accurate, reliable results.
Singapore Time is 18 hours ahead of Hawaii Standard Time
Complete hourly conversion for Hawaii Standard Time to Singapore Time
| Hawaii Standard Time | Singapore Time | 24-Hour HST | 24-Hour SGT |
|---|---|---|---|
| 12:00 AM | 6:00 PM | 00:00 | 18:00 |
| 1:00 AM | 7:00 PM | 01:00 | 19:00 |
| 2:00 AM | 8:00 PM | 02:00 | 20:00 |
| 3:00 AM | 9:00 PM | 03:00 | 21:00 |
| 4:00 AM | 10:00 PM | 04:00 | 22:00 |
| 5:00 AM | 11:00 PM | 05:00 | 23:00 |
| 6:00 AM | 12:00 AM (next day) | 06:00 | 00:00 |
| 7:00 AM | 1:00 AM (next day) | 07:00 | 01:00 |
| 8:00 AM | 2:00 AM (next day) | 08:00 | 02:00 |
| 9:00 AM | 3:00 AM (next day) | 09:00 | 03:00 |
| 10:00 AM | 4:00 AM (next day) | 10:00 | 04:00 |
| 11:00 AM | 5:00 AM (next day) | 11:00 | 05:00 |
| 12:00 PM | 6:00 AM (next day) | 12:00 | 06:00 |
| 1:00 PM | 7:00 AM (next day) | 13:00 | 07:00 |
| 2:00 PM | 8:00 AM (next day) | 14:00 | 08:00 |
| 3:00 PM | 9:00 AM (next day) | 15:00 | 09:00 |
| 4:00 PM | 10:00 AM (next day) | 16:00 | 10:00 |
| 5:00 PM | 11:00 AM (next day) | 17:00 | 11:00 |
| 6:00 PM | 12:00 PM (next day) | 18:00 | 12:00 |
| 7:00 PM | 1:00 PM (next day) | 19:00 | 13:00 |
| 8:00 PM | 2:00 PM (next day) | 20:00 | 14:00 |
| 9:00 PM | 3:00 PM (next day) | 21:00 | 15:00 |
| 10:00 PM | 4:00 PM (next day) | 22:00 | 16:00 |
| 11:00 PM | 5:00 PM (next day) | 23:00 | 17:00 |
Optimal hours for calls between HST and SGT
Based on standard business hours (9:00 AM - 6:00 PM) in each time zone
Technical information for both time zones
Source timezone
Target timezone
