Here is the full list of 2013 South African Public Holidays:

1 Jan – New Years Day
21 Mar – Human Rights Day
29 Mar – Good Friday
1 Apr – Family Day
27 Apr – Freedom Day
1 May – Workers’ Day
16 Jun – Youth Day
17 Jun – Public Holiday
9 Aug – National Women’s Day
24 Sep – Heritage Day
16 Dec – Day of Reconciliation
25 Dec – Christmas Day
26 Dec – Day of Goodwill

Here is a downloadable file of the 2013 South African Public Holidays for importing into Outlook and GCal.

2013 SA Public Holidays Calendar