If South African citizens wish to travel to Austria they need a visa.
The official language spoken in Austria is German.
The international phone code for Austria is 0043.
From the beginning of November until the end of March there is a time difference between South Africa and Austria of one hour (which means that when it is 12.00 o'clock in Austria, it is 13.00 o'clock in South Africa). From the end of March until the end of October (daylight saving time in Austria) there is no difference.
The electric voltage in Austria is of Volt alternating current, 50 Hertz, like in South Africa, however the plugs are different.