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Convert Atlantic Standard Time (AST) to Japan Standard Time (JST, UTC+9) for regional business calls. Free converter with real-time conversion, meeting time planner, and business hours comparison for AST to JST 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.
Japan Standard Time is 13 hours ahead of Atlantic Standard Time
Complete hourly conversion for Atlantic Standard Time to Japan Standard Time
| Atlantic Standard Time | Japan Standard Time | 24-Hour AST | 24-Hour JST |
|---|---|---|---|
| 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 AST and JST
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
