Live Synchronized Time Difference
SeoultoJohannesburgTime Difference
🇰🇷
Seoul
South Korea (GMT+9)00:10:22UTC+9:00
🇿🇦
Johannesburg
South Africa (GMT+2)17:10:22UTC+2:00
Direct Distance12,488 km (7,760 miles)
Estimated Flight Time~15.2 hours
Business Overlap1 overlapping hours (9am–5pm)
Mutual Working Window: 1 Overlapping Hour
Recommended calling window between Seoul and Johannesburg
Off-Peak Calling Window
Seoul Time
4:00 PM – 5:00 PM
Johannesburg Time
9:00 AM – 10:00 AM
Both locations share 1 overlapping standard business hour (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 Johannesburg.
Work (9am-5pm)ShoulderSleep / Off
| Seoul Time (South Korea) | Johannesburg Time (South Africa) | Status & Recommendation |
|---|---|---|
| 00:00AM | 17:00PM-1 day | ⚪ Outside Work Hours |
| 01:00AM | 18:00PM-1 day | ⚪ Outside Work Hours |
| 02:00AM | 19:00PM-1 day | ⚪ Outside Work Hours |
| 03:00AM | 20:00PM-1 day | ⚪ Outside Work Hours |
| 04:00AM | 21:00PM-1 day | ⚪ Outside Work Hours |
| 05:00AM | 22:00PM-1 day | ⚪ Outside Work Hours |
| 06:00AM | 23:00PM-1 day | ⚪ Outside Work Hours |
| 07:00AM | 00:00AM | ⚪ Outside Work Hours |
| 08:00AM | 01:00AM | ⚪ Outside Work Hours |
| 09:00AM | 02:00AM | ⚪ Outside Work Hours |
| 10:00AM | 03:00AM | ⚪ Outside Work Hours |
| 11:00AM | 04:00AM | ⚪ Outside Work Hours |
| 12:00PM | 05:00AM | ⚪ Outside Work Hours |
| 13:00PM | 06:00AM | ⚪ Outside Work Hours |
| 14:00PM | 07:00AM | 🟡 Feasible (Shoulder Hour) |
| 15:00PM | 08:00AM | 🟡 Feasible (Shoulder Hour) |
| 16:00PM | 09:00AM | 🟢 Ideal Meeting Window |
| 17:00PM | 10:00AM | ⚪ Outside Work Hours |
| 18:00PM | 11:00AM | ⚪ Outside Work Hours |
| 19:00PM | 12:00PM | ⚪ Outside Work Hours |
| 20:00PM | 13:00PM | ⚪ Outside Work Hours |
| 21:00PM | 14:00PM | ⚪ Outside Work Hours |
| 22:00PM | 15:00PM | ⚪ Outside Work Hours |
| 23:00PM | 16:00PM | ⚪ Outside Work Hours |
Frequently Asked Questions
What is the time difference between Seoul and Johannesburg?
Johannesburg is 7 hours behind Seoul.
What is the best time to schedule a cross-border meeting between Seoul and Johannesburg?
There are 1 overlapping standard business hours (09:00 - 17:00) between Seoul and Johannesburg. 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 Johannesburg?
Yes. If either South Korea or South Africa observes seasonal Daylight Saving Time transitions, the offset difference shifts by one hour on scheduled transition dates.