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