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