Live Synchronized Time Difference
SeoultoIstanbulTime Difference
🇰🇷
Seoul
South Korea (GMT+9)00:10:23UTC+9:00
🇹🇷
Istanbul
Turkey (GMT+3)18:10:23UTC+3:00
Direct Distance7,954 km (4,942 miles)
Estimated Flight Time~9.9 hours
Business Overlap2 overlapping hours (9am–5pm)
Mutual Working Window: 2 Overlapping Hours
Recommended calling window between Seoul and Istanbul
Off-Peak Calling Window
Seoul Time
3:00 PM – 5:00 PM
Istanbul Time
9:00 AM – 11:00 AM
Both locations share 2 overlapping standard business hours (9:00 AM – 5:00 PM). This is the premier window for real-time video conferences, corporate calls, and instant collaboration without outside-hours disruption.
24-Hour Schedule Conversion Matrix
Compare every hour of the day between Seoul and Istanbul.
Work (9am-5pm)ShoulderSleep / Off
| Seoul Time (South Korea) | Istanbul Time (Turkey) | Status & Recommendation |
|---|---|---|
| 00:00AM | 18:00PM-1 day | ⚪ Outside Work Hours |
| 01:00AM | 19:00PM-1 day | ⚪ Outside Work Hours |
| 02:00AM | 20:00PM-1 day | ⚪ Outside Work Hours |
| 03:00AM | 21:00PM-1 day | ⚪ Outside Work Hours |
| 04:00AM | 22:00PM-1 day | ⚪ Outside Work Hours |
| 05:00AM | 23:00PM-1 day | ⚪ Outside Work Hours |
| 06:00AM | 00:00AM | ⚪ Outside Work Hours |
| 07:00AM | 01:00AM | ⚪ Outside Work Hours |
| 08:00AM | 02:00AM | ⚪ Outside Work Hours |
| 09:00AM | 03:00AM | ⚪ Outside Work Hours |
| 10:00AM | 04:00AM | ⚪ Outside Work Hours |
| 11:00AM | 05:00AM | ⚪ Outside Work Hours |
| 12:00PM | 06:00AM | ⚪ Outside Work Hours |
| 13:00PM | 07:00AM | 🟡 Feasible (Shoulder Hour) |
| 14:00PM | 08:00AM | 🟡 Feasible (Shoulder Hour) |
| 15:00PM | 09:00AM | 🟢 Ideal Meeting Window |
| 16:00PM | 10:00AM | 🟢 Ideal Meeting Window |
| 17:00PM | 11:00AM | ⚪ Outside Work Hours |
| 18:00PM | 12:00PM | ⚪ Outside Work Hours |
| 19:00PM | 13:00PM | ⚪ Outside Work Hours |
| 20:00PM | 14:00PM | ⚪ Outside Work Hours |
| 21:00PM | 15:00PM | ⚪ Outside Work Hours |
| 22:00PM | 16:00PM | ⚪ Outside Work Hours |
| 23:00PM | 17:00PM | ⚪ Outside Work Hours |
Frequently Asked Questions
What is the time difference between Seoul and Istanbul?
Istanbul is 6 hours behind Seoul.
What is the best time to schedule a cross-border meeting between Seoul and Istanbul?
There are 2 overlapping standard business hours (09:00 - 17:00) between Seoul and Istanbul. The optimal window is when both parties are in their core working shifts.
Does daylight saving time (DST) affect the time difference between Seoul and Istanbul?
Yes. If either South Korea or Turkey observes seasonal Daylight Saving Time transitions, the offset difference shifts by one hour on scheduled transition dates.