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