When it is 12:00 PM in Hamilton, it is 8:00 PM the previous day 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.
Hamilton is 16 hours ahead of Boston.
🕐 Subtract 16 hours from Hamilton time to get Boston time.
Hamilton uses 12 hours ahead of Universal Time (UTC+1) and Boston uses 4 hours behind Universal Time (UTC-4).
| Hamilton Time | Boston Time | |
|---|---|---|
| 12 AM Hamilton Time | ↔ | ☼ 8 AM Boston Time |
| 1 AM Hamilton Time | ↔ | ☼ 9 AM Boston Time |
| 2 AM Hamilton Time | ↔ | ☼ 10 AM Boston Time |
| 3 AM Hamilton Time | ↔ | ☼ 11 AM Boston Time |
| 4 AM Hamilton Time | ↔ | ☼ 12 PM Boston Time |
| 5 AM Hamilton Time | ↔ | ☼ 1 PM Boston Time |
| 6 AM Hamilton Time | ↔ | ☼ 2 PM Boston Time |
| ☼ 7 AM Hamilton Time | ↔ | ☼ 3 PM Boston Time |
| ☼ 8 AM Hamilton Time | ↔ | ☼ 4 PM Boston Time |
| ☼ 9 AM Hamilton Time | ↔ | ☼ 5 PM Boston Time |
| ☼ 10 AM Hamilton Time | ↔ | ☼ 6 PM Boston Time |
| ☼ 11 AM Hamilton Time | ↔ | ☼ 7 PM Boston Time |
| Hamilton Time | Boston Time | |
|---|---|---|
| ☼ 12 PM Hamilton Time | ↔ | ☼ 8 PM Boston Time |
| ☼ 1 PM Hamilton Time | ↔ | 9 PM Boston Time |
| ☼ 2 PM Hamilton Time | ↔ | 10 PM Boston Time |
| ☼ 3 PM Hamilton Time | ↔ | 11 PM Boston Time |
| ☼ 4 PM Hamilton Time | ↔ | 12 AM Boston Time |
| ☼ 5 PM Hamilton Time | ↔ | 1 AM Boston Time |
| 6 PM Hamilton Time | ↔ | 2 AM Boston Time |
| 7 PM Hamilton Time | ↔ | 3 AM Boston Time |
| 8 PM Hamilton Time | ↔ | 4 AM Boston Time |
| 9 PM Hamilton Time | ↔ | ☼ 5 AM Boston Time |
| 10 PM Hamilton Time | ↔ | ☼ 6 AM Boston Time |
| 11 PM Hamilton Time | ↔ | ☼ 7 AM Boston Time |
Hamilton is 16 hours ahead of Boston.
Hamilton is ahead of Boston by 16 hours.
It is 5:00 PM the previous day in Boston.