Most of the year, Johannesburg is 9 hours ahead of San Francisco. During Jan 1–Mar 7, Nov 1–Dec 31, Johannesburg is 10 hours ahead of San Francisco.
| San Francisco | Johannesburg Most of the year | Johannesburg Jan 1–Mar 7, Nov 1–Dec 31 |
|---|---|---|
| 12 AM | 9 AM | 10 AM |
| 1 AM | 10 AM | 11 AM |
| 2 AM | 11 AM | 12 PM |
| 3 AM | 12 PM | 1 PM |
| 4 AM | 1 PM | 2 PM |
| 5 AM | 2 PM | 3 PM |
| 6 AM | 3 PM | 4 PM |
| 7 AM | 4 PM | 5 PM |
| 8 AM | 5 PM | 6 PM |
| 9 AM | 6 PM | 7 PM |
| 10 AM | 7 PM | 8 PM |
| 11 AM | 8 PM | 9 PM |
| 12 PM | 9 PM | 10 PM |
| 1 PM | 10 PM | 11 PM |
| 2 PM | 11 PM | 12 AMnext day |
| 3 PM | 12 AMnext day | 1 AMnext day |
| 4 PM | 1 AMnext day | 2 AMnext day |
| 5 PM | 2 AMnext day | 3 AMnext day |
| 6 PM | 3 AMnext day | 4 AMnext day |
| 7 PM | 4 AMnext day | 5 AMnext day |
| 8 PM | 5 AMnext day | 6 AMnext day |
| 9 PM | 6 AMnext day | 7 AMnext day |
| 10 PM | 7 AMnext day | 8 AMnext day |
| 11 PM | 8 AMnext day | 9 AMnext day |
San Francisco observes daylight saving time from Mar 8, 2026 to Nov 1, 2026, when clocks move forward one hour.
Johannesburg does not observe daylight saving time (DST), so its offset stays the same all year.
Most of the year, Johannesburg is 9 hours ahead of San Francisco. During Jan 1–Mar 7, Nov 1–Dec 31, Johannesburg is 10 hours ahead of San Francisco.
San Francisco observes daylight saving time from Mar 8, 2026 to Nov 1, 2026, when clocks move forward one hour. Johannesburg does not observe daylight saving time (DST), so its offset stays the same all year.
Most of the year: The best compromise is at San Francisco 7 AM–1 PM (Johannesburg 4 PM–10 PM). Jan 1–Mar 7, Nov 1–Dec 31: The best compromise is at San Francisco 7 AM–12 PM (Johannesburg 5 PM–10 PM); San Francisco 9 PM–10 PM (Johannesburg 7 AM (next day)–8 AM).