Why it works
Most red wine is served too warm and many white wines are served too cold. The 30 minute rule moves both closer to a balanced drinking temperature.

Serving Guide
The 30 minute rule for wine is a simple serving-temperature shortcut: put red wine in the fridge for about 30 minutes before serving, and take white wine out of the fridge about 30 minutes before serving.
Most red wine is served too warm and many white wines are served too cold. The 30 minute rule moves both closer to a balanced drinking temperature.
For Pinotage, a short chill can make fruit feel fresher, tannin cleaner, and alcohol less obvious. Avoid serving it ice cold unless it is a very light style.