When it is 12:00 PM in Saint-Louis, it is 4:00 AM in Boston.
📞There is no overlap during standard 9-to-5 business hours, so a call may need to be early or late in the day for one side.
Saint-Louis is 8 hours ahead of Boston.
🕐 Subtract 8 hours from Saint-Louis time to get Boston time.
Saint-Louis uses 4 hours ahead of Universal Time (UTC+4) and Boston uses 4 hours behind Universal Time (UTC-4).
| Saint-Louis Time | Boston Time | |
|---|---|---|
| 12 AM Saint-Louis Time | ↔ | ☼ 4 PM Boston Time |
| 1 AM Saint-Louis Time | ↔ | ☼ 5 PM Boston Time |
| 2 AM Saint-Louis Time | ↔ | ☼ 6 PM Boston Time |
| 3 AM Saint-Louis Time | ↔ | ☼ 7 PM Boston Time |
| 4 AM Saint-Louis Time | ↔ | ☼ 8 PM Boston Time |
| 5 AM Saint-Louis Time | ↔ | 9 PM Boston Time |
| ☼ 6 AM Saint-Louis Time | ↔ | 10 PM Boston Time |
| ☼ 7 AM Saint-Louis Time | ↔ | 11 PM Boston Time |
| ☼ 8 AM Saint-Louis Time | ↔ | 12 AM Boston Time |
| ☼ 9 AM Saint-Louis Time | ↔ | 1 AM Boston Time |
| ☼ 10 AM Saint-Louis Time | ↔ | 2 AM Boston Time |
| ☼ 11 AM Saint-Louis Time | ↔ | 3 AM Boston Time |
| Saint-Louis Time | Boston Time | |
|---|---|---|
| ☼ 12 PM Saint-Louis Time | ↔ | 4 AM Boston Time |
| ☼ 1 PM Saint-Louis Time | ↔ | ☼ 5 AM Boston Time |
| ☼ 2 PM Saint-Louis Time | ↔ | ☼ 6 AM Boston Time |
| ☼ 3 PM Saint-Louis Time | ↔ | ☼ 7 AM Boston Time |
| ☼ 4 PM Saint-Louis Time | ↔ | ☼ 8 AM Boston Time |
| ☼ 5 PM Saint-Louis Time | ↔ | ☼ 9 AM Boston Time |
| 6 PM Saint-Louis Time | ↔ | ☼ 10 AM Boston Time |
| 7 PM Saint-Louis Time | ↔ | ☼ 11 AM Boston Time |
| 8 PM Saint-Louis Time | ↔ | ☼ 12 PM Boston Time |
| 9 PM Saint-Louis Time | ↔ | ☼ 1 PM Boston Time |
| 10 PM Saint-Louis Time | ↔ | ☼ 2 PM Boston Time |
| 11 PM Saint-Louis Time | ↔ | ☼ 3 PM Boston Time |
Saint-Louis is 8 hours ahead of Boston.
Saint-Louis is ahead of Boston by 8 hours.
It is 1:00 AM in Boston.