Johannesburg and Athens working-hours overlap
On Monday, 28 September 2026, Johannesburg is 1 hour behind Athens — UTC+02:00 against UTC+03:00. Their working hours overlap for 7 hours that day, between 07:00–14:00 UTC — 09:00–16:00 in Johannesburg and 10:00–17:00 in Athens. Johannesburg does not change clocks at all. Athens changes clocks on Sunday, 25 October 2026, and the gap between them goes from 1 hour to nothing at all.
Every figure on this page describes Monday, 28 September 2026 — a fixed day, not the day you are reading it. Working hours are 09:00–17:00 local time for both cities; change either, or pick another date, in the overlap calculator.
Shared working hours
Everyone is at work between 07:00–14:00 UTC — 7 hours.
| City | Local time | Offset |
|---|---|---|
| Johannesburg | 09:00–16:00 | UTC+02:00 |
| Athens | 10:00–17:00 | UTC+03:00 |
Each city's working day
| City | Local hours | In UTC | Offset | Next clock change |
|---|---|---|---|---|
| Johannesburg | 09:00–17:00 | 07:00–15:00 UTC | UTC+02:00 | No daylight saving |
| Athens | 09:00–17:00 | 06:00–14:00 UTC | UTC+03:00 | UTC+03:00 → UTC+02:00, 25 Oct 2026 |
How the shared window moves through the year
Athens changes clocks on Sunday, 25 October 2026, and Johannesburg never does, so the gap between them moves only when Athens's clocks do. Each row is the same pair of working days, sampled once a month, so the window's size and position follow the clock changes described above.
| Month | Shared window | Length |
|---|---|---|
| 2026-10 | 07:00–14:00 UTC | 7 hours |
| 2026-11 | 07:00–15:00 UTC | 8 hours |
| 2026-12 | 07:00–15:00 UTC | 8 hours |
| 2027-01 | 07:00–15:00 UTC | 8 hours |
| 2027-02 | 07:00–15:00 UTC | 8 hours |
| 2027-03 | 07:00–15:00 UTC | 8 hours |
| 2027-04 | 07:00–14:00 UTC | 7 hours |
| 2027-05 | 07:00–14:00 UTC | 7 hours |
| 2027-06 | 07:00–14:00 UTC | 7 hours |
| 2027-07 | 07:00–14:00 UTC | 7 hours |
| 2027-08 | 07:00–14:00 UTC | 7 hours |
| 2027-09 | 07:00–14:00 UTC | 7 hours |
Questions
- What time can Johannesburg and Athens meet?
- 07:00–14:00 UTC on Monday, 28 September 2026 — 7 hours. In Johannesburg that is 09:00–16:00, and in Athens it is 10:00–17:00.
- How far apart are Johannesburg and Athens?
- On Monday, 28 September 2026, Johannesburg is 1 hour behind Athens — UTC+02:00 against UTC+03:00. Johannesburg does not change clocks at all. Athens changes clocks on Sunday, 25 October 2026, and the gap between them goes from 1 hour to nothing at all.
- Does the overlap between Johannesburg and Athens change through the year?
- Athens changes clocks on Sunday, 25 October 2026, and Johannesburg never does, so the gap between them moves only when Athens's clocks do. Sampled once a month across the twelve months from Monday, 28 September 2026 the window is 07:00–14:00 UTC, 07:00–15:00 UTC.
Related city pairs
- Honolulu and Johannesburg
- Honolulu and Athens
- San Francisco and Johannesburg
- San Francisco and Athens
- Denver and Johannesburg
- Denver and Athens
Or read how overlap is calculated and the other questions people ask about scheduling across time zones.