When it is 12:00 PM in Boulder, it is 9:00 PM in EAT.
📞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.
Boulder is 9 hours behind EAT.
🕐 Add 9 hours to Boulder time to get EAT time.
Boulder uses 6 hours behind Universal Time (UTC-6) and EAT uses 3 hours ahead of Universal Time (UTC+3).
| Boulder Time | EAT Time | |
|---|---|---|
| 12 AM Boulder Time | ↔ | 9 AM EAT Time |
| 1 AM Boulder Time | ↔ | 10 AM EAT Time |
| 2 AM Boulder Time | ↔ | 11 AM EAT Time |
| 3 AM Boulder Time | ↔ | 12 PM EAT Time |
| 4 AM Boulder Time | ↔ | 1 PM EAT Time |
| 5 AM Boulder Time | ↔ | 2 PM EAT Time |
| 6 AM Boulder Time | ↔ | 3 PM EAT Time |
| 7 AM Boulder Time | ↔ | 4 PM EAT Time |
| 8 AM Boulder Time | ↔ | 5 PM EAT Time |
| 9 AM Boulder Time | ↔ | 6 PM EAT Time |
| 10 AM Boulder Time | ↔ | 7 PM EAT Time |
| 11 AM Boulder Time | ↔ | 8 PM EAT Time |
| Boulder Time | EAT Time | |
|---|---|---|
| 12 PM Boulder Time | ↔ | 9 PM EAT Time |
| 1 PM Boulder Time | ↔ | 10 PM EAT Time |
| 2 PM Boulder Time | ↔ | 11 PM EAT Time |
| 3 PM Boulder Time | ↔ | 12 AM EAT Time |
| 4 PM Boulder Time | ↔ | 1 AM EAT Time |
| 5 PM Boulder Time | ↔ | 2 AM EAT Time |
| 6 PM Boulder Time | ↔ | 3 AM EAT Time |
| 7 PM Boulder Time | ↔ | 4 AM EAT Time |
| 8 PM Boulder Time | ↔ | 5 AM EAT Time |
| 9 PM Boulder Time | ↔ | 6 AM EAT Time |
| 10 PM Boulder Time | ↔ | 7 AM EAT Time |
| 11 PM Boulder Time | ↔ | 8 AM EAT Time |
Boulder is 9 hours behind EAT.
Boulder is behind EAT by 9 hours.
It is 6:00 PM in EAT.