The time difference between St Louis and Johannesburg is 8 hours. When it is 12:00 noon in St Louis, it is 20:00 in Johannesburg. St Louis uses the America/Chicago time zone (UTC-6), while Johannesburg uses Africa/Johannesburg (UTC+2).
| Detail | St Louis | Johannesburg |
|---|---|---|
| Time Zone ID | America/Chicago | Africa/Johannesburg |
| UTC Offset | UTC-6 | UTC+2 |
| Abbreviation | CST | SAST |
| DST Active | No | No |
| Country | United States | South Africa |
| Region | North America | Africa |
With a 8 hours gap, there is no standard business-hours overlap between St Louis and Johannesburg. One party will need to adjust their schedule. Early mornings in Johannesburg or late evenings in St Louis tend to be the most practical compromise.
Use this table to quickly convert any hour from St Louis time to Johannesburg time. Rows highlighted in green indicate overlapping business hours in both cities.
| St Louis | Johannesburg | |
|---|---|---|
| 00:00 | 08:00 | Night |
| 01:00 | 09:00 | Night |
| 02:00 | 10:00 | Night |
| 03:00 | 11:00 | Night |
| 04:00 | 12:00 | Night |
| 05:00 | 13:00 | Night |
| 06:00 | 14:00 | |
| 07:00 | 15:00 | |
| 08:00 | 16:00 | |
| 09:00 | 17:00 | |
| 10:00 | 18:00 | |
| 11:00 | 19:00 | |
| 12:00 | 20:00 | |
| 13:00 | 21:00 | |
| 14:00 | 22:00 | |
| 15:00 | 23:00 | |
| 16:00 | 00:00 (+1 day) | |
| 17:00 | 01:00 (+1 day) | |
| 18:00 | 02:00 (+1 day) | |
| 19:00 | 03:00 (+1 day) | |
| 20:00 | 04:00 (+1 day) | |
| 21:00 | 05:00 (+1 day) | |
| 22:00 | 06:00 (+1 day) | Night |
| 23:00 | 07:00 (+1 day) | Night |
Neither St Louis nor Johannesburg is currently observing daylight saving time. If either city observes DST, the time difference will change by 1 hour when DST begins or ends. Always double-check before scheduling across these time zones during March–April and October–November.
The time difference is 8 hours. Johannesburg is 8 hours ahead of St Louis.
It can. If either St Louis or Johannesburg observes daylight saving time, the gap will shift by 1 hour during the transition periods (typically March–April and October–November).
There is no ideal window during standard business hours. Consider scheduling at the edges — early morning for the city that is ahead and late afternoon for the city that is behind.
Add 8 hours to St Louis time to get Johannesburg time. Use the hour-by-hour table above for a quick reference.
For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.