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