The time difference between Calgary and Johannesburg is 8 hours. When it is 12:00 noon in Calgary, it is 20:00 in Johannesburg. Calgary uses the America/Edmonton time zone (UTC-6), while Johannesburg uses Africa/Johannesburg (UTC+2).
| Detail | Calgary | Johannesburg |
|---|---|---|
| Time Zone ID | America/Edmonton | Africa/Johannesburg |
| UTC Offset | UTC-6 | UTC+2 |
| Abbreviation | MDT | SAST |
| DST Active | Yes — currently observing | No |
| Country | Canada | South Africa |
| Region | North America | Africa |
With a 8 hours gap, there is no standard business-hours overlap between Calgary and Johannesburg. One party will need to adjust their schedule. Early mornings in Johannesburg or late evenings in Calgary tend to be the most practical compromise.
Use this table to quickly convert any hour from Calgary time to Johannesburg time. Rows highlighted in green indicate overlapping business hours in both cities.
| Calgary | 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 |
Calgary is currently observing daylight saving time, while Johannesburg is on standard time. When Calgary switches back to standard time, the difference between these two cities will shift by 1 hour.
The time difference is 8 hours. Johannesburg is 8 hours ahead of Calgary.
Yes. One of these cities observes DST while the other does not, so the difference shifts by 1 hour when DST begins or ends.
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 Calgary 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.