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