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Convert Hawaii Standard Time (HST) to Chatham Island Standard Time (CHAST, UTC+12.75) with our free time zone converter. Features real-time conversion and meeting planner for time zone conversion. Accurate, fast, and easy to use on all devices.
Chatham Island Standard Time is 22 hours and 45 minutes ahead of Hawaii Standard Time
Complete hourly conversion for Hawaii Standard Time to Chatham Island Standard Time
| Hawaii Standard Time | Chatham Island Standard Time | 24-Hour HST | 24-Hour CHAST |
|---|---|---|---|
| 12:00 AM | 10:45 PM | 00:00 | 22:45 |
| 1:00 AM | 11:45 PM | 01:00 | 23:45 |
| 2:00 AM | 12:45 AM (next day) | 02:00 | 00:45 |
| 3:00 AM | 1:45 AM (next day) | 03:00 | 01:45 |
| 4:00 AM | 2:45 AM (next day) | 04:00 | 02:45 |
| 5:00 AM | 3:45 AM (next day) | 05:00 | 03:45 |
| 6:00 AM | 4:45 AM (next day) | 06:00 | 04:45 |
| 7:00 AM | 5:45 AM (next day) | 07:00 | 05:45 |
| 8:00 AM | 6:45 AM (next day) | 08:00 | 06:45 |
| 9:00 AM | 7:45 AM (next day) | 09:00 | 07:45 |
| 10:00 AM | 8:45 AM (next day) | 10:00 | 08:45 |
| 11:00 AM | 9:45 AM (next day) | 11:00 | 09:45 |
| 12:00 PM | 10:45 AM (next day) | 12:00 | 10:45 |
| 1:00 PM | 11:45 AM (next day) | 13:00 | 11:45 |
| 2:00 PM | 12:45 PM (next day) | 14:00 | 12:45 |
| 3:00 PM | 1:45 PM (next day) | 15:00 | 13:45 |
| 4:00 PM | 2:45 PM (next day) | 16:00 | 14:45 |
| 5:00 PM | 3:45 PM (next day) | 17:00 | 15:45 |
| 6:00 PM | 4:45 PM (next day) | 18:00 | 16:45 |
| 7:00 PM | 5:45 PM (next day) | 19:00 | 17:45 |
| 8:00 PM | 6:45 PM (next day) | 20:00 | 18:45 |
| 9:00 PM | 7:45 PM (next day) | 21:00 | 19:45 |
| 10:00 PM | 8:45 PM (next day) | 22:00 | 20:45 |
| 11:00 PM | 9:45 PM (next day) | 23:00 | 21:45 |
Optimal hours for calls between HST and CHAST
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
