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