When it is 12:00 PM in Smithtown, it is 11:00 PM the previous day 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.
Smithtown is 13 hours ahead of CLST.
🕐 Subtract 13 hours from Smithtown time to get CLST time.
Smithtown uses 10 hours ahead of Universal Time (UTC+1) and CLST uses 3 hours behind Universal Time (UTC-3).
| Smithtown Time | CLST Time | |
|---|---|---|
| 12 AM Smithtown Time | ↔ | 11 AM CLST Time |
| 1 AM Smithtown Time | ↔ | 12 PM CLST Time |
| 2 AM Smithtown Time | ↔ | 1 PM CLST Time |
| 3 AM Smithtown Time | ↔ | 2 PM CLST Time |
| 4 AM Smithtown Time | ↔ | 3 PM CLST Time |
| 5 AM Smithtown Time | ↔ | 4 PM CLST Time |
| 6 AM Smithtown Time | ↔ | 5 PM CLST Time |
| 7 AM Smithtown Time | ↔ | 6 PM CLST Time |
| 8 AM Smithtown Time | ↔ | 7 PM CLST Time |
| 9 AM Smithtown Time | ↔ | 8 PM CLST Time |
| 10 AM Smithtown Time | ↔ | 9 PM CLST Time |
| 11 AM Smithtown Time | ↔ | 10 PM CLST Time |
| Smithtown Time | CLST Time | |
|---|---|---|
| 12 PM Smithtown Time | ↔ | 11 PM CLST Time |
| 1 PM Smithtown Time | ↔ | 12 AM CLST Time |
| 2 PM Smithtown Time | ↔ | 1 AM CLST Time |
| 3 PM Smithtown Time | ↔ | 2 AM CLST Time |
| 4 PM Smithtown Time | ↔ | 3 AM CLST Time |
| 5 PM Smithtown Time | ↔ | 4 AM CLST Time |
| 6 PM Smithtown Time | ↔ | 5 AM CLST Time |
| 7 PM Smithtown Time | ↔ | 6 AM CLST Time |
| 8 PM Smithtown Time | ↔ | 7 AM CLST Time |
| 9 PM Smithtown Time | ↔ | 8 AM CLST Time |
| 10 PM Smithtown Time | ↔ | 9 AM CLST Time |
| 11 PM Smithtown Time | ↔ | 10 AM CLST Time |
Smithtown is 13 hours ahead of CLST.
Smithtown is ahead of CLST by 13 hours.
It is 8:00 PM the previous day in CLST.