Time difference between Johannesburg and Seoul
Seoul is 7 hours ahead of Johannesburg. When it's 9:00 in Johannesburg, it's 16:00 in Seoul.
Seoul is 7 hours ahead of Johannesburg.
On Thursday, 1 October 2026, 09:00 in Johannesburg is 16:00 in Seoul. Johannesburg is UTC+2; Seoul is UTC+9.
The gap through 2026
It stays 7 hours all year — neither city changes its clocks against the other.
Johannesburg to Seoul, hour by hour
On Thursday 1 October.
| Johannesburg | Seoul |
|---|---|
| 07:00 Early morning | 14:00 Working hours |
| 08:00 Early morning | 15:00 Working hours |
| 09:00 Working hours | 16:00 Working hours |
| 10:00 Working hours | 17:00 Evening |
| 11:00 Working hours | 18:00 Evening |
| 12:00 Working hours | 19:00 Evening |
| 13:00 Working hours | 20:00 Evening |
| 14:00 Working hours | 21:00 Evening |
| 15:00 Working hours | 22:00 Sleeping hours |
| 16:00 Working hours | 23:00 Sleeping hours |
| 17:00 Evening | 00:00+1 Sleeping hours |
| 18:00 Evening | 01:00+1 Sleeping hours |
| 19:00 Evening | 02:00+1 Sleeping hours |
| 20:00 Evening | 03:00+1 Sleeping hours |
| 21:00 Evening | 04:00+1 Sleeping hours |
| 22:00 Sleeping hours | 05:00+1 Sleeping hours |
Daylight saving in 2026
Neither Johannesburg nor Seoul changes its clocks, so the difference is the same all year.
Best times for a call
Working hours (09:00–17:00) overlap for 1 hour: 09:00–10:00 in Johannesburg, which is 16:00–17:00 in Seoul.
- Johannesburg 07:00Early morningSeoul 14:00Working hours
- Johannesburg 08:00Early morningSeoul 15:00Working hours
- Johannesburg 09:00Working hoursSeoul 16:00Working hours
More time differences for Johannesburg and Seoul
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- New York and Johannesburg
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How the time difference calculator works
The difference is each city's offset from UTC on the date you pick, subtracted. Offsets come from the IANA time zone database in your browser.
Because countries change their clocks on different dates — or not at all — the gap between two cities can change for a few weeks a year. The calculator lists every change in the year.
Examples
- London is 5 hours ahead of New York for most of the year, but only 4 hours ahead for about three weeks in March and one week in late October.
- Dubai doesn't change its clocks, so its gap to London is 4 hours in winter and 3 hours in summer.
Good for
- Knowing when a colleague's day starts
- Setting expectations for replies across time zones
- Planning travel and jet lag
Frequently asked questions
- What time is it in Seoul when it's 9 AM in Johannesburg?
- 4:00 PM — as of 1 October 2026. Seoul is 7 hours ahead of Johannesburg.
- Does the time difference between Johannesburg and Seoul change?
- No. It's 7 hours all through 2026: neither city changes its clocks.
- What's the best time for a call between Johannesburg and Seoul?
- Between 09:00 and 10:00 Johannesburg time, when both cities are in working hours (09:00–17:00).
- What time zones are Johannesburg and Seoul in?
- Johannesburg uses Africa/Johannesburg (UTC+2 today); Seoul uses Asia/Seoul (UTC+9 today).
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