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