Sydney is 8-9 hours ahead of Johannesburg. Johannesburg uses South Africa Standard Time (SAST, UTC+2) while Sydney uses Australian Eastern Time (AEST/AEDT). When it's 12:00 PM in Johannesburg, it's 8:00 PM (AEST) or 9:00 PM (AEDT) in Sydney.
South Africa does not observe daylight saving time, but Sydney does. The difference is 9 hours during Australian summer (October-April) and 8 hours during winter.
Best calling time: 1:00 AM - 9:00 AM Johannesburg time. This corresponds to 9:00 AM - 5:00 PM in Sydney. Early morning calls from Johannesburg catch Sydney afternoon.
Johannesburg and Sydney are connected through international hubs, with flights taking about 14 hours via Dubai or Perth. Both are major financial centers in the Southern Hemisphere with growing business ties.