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