Below are the 2012 Rugby Championship fixtures. The Tri Nations has been rebranded as the Rugby Championship with the inclusion of Argentina this year. Each team will play home and away against the other sides over six rounds. The first round is on the 18th of August and the final round is on the 6th of October.
The Wallabies and All Blacks will contest the Bledisloe Cup over three fixtures, with Australia hosting two of the three Tests. The third Test will be played on the 20th of October, after the conclusion of the Rugby Championship.
Round 1: 18 August 2012:
Australia vs. New Zealand
ANZ Stadium, Sydney
Kick-off: 20:05 AEST (UTC+10)
South Africa vs. Argentina
DHL Newlands, Cape Town
Kick-off: 17:00 SAST (UTC+02)
Round 2: 25 August 2012:
New Zealand vs. Australia
Eden Park, Auckland
Kick-off: 19:35 NZST (UTC+12)
Argentina vs. South Africa
Estadio Malvinas Argentinas, Mendoza
Kick-off: 16:10 AST (UTC-03)
Travel Bye: 1 September 2012
Round 3: 8 September 2012:
Australia vs. South Africa
Patersons Stadium, Perth
Kick-off: 18:35 AWST (UTC+08)
New Zealand vs. Argentina
Westpac Stadium, Wellington
Kick-off: 19:35 NZST (UTC+12)
Round 4: 15 September 2012:
Australia vs. Argentina
Skilled Park, Gold Coast
Kick-off: 20:05 AEST (UTC+10)
New Zealand vs. South Africa
Forsyth Barr, Dunedin
Kick-off: 19:35 NZST (UTC+12)
Travel Bye: 22 September 2012
Round 5: 29 September 2012:
South Africa vs. Australia
Loftus Versfeld, Pretoria
Kick-off: 17:00 SAST (UTC+02)
Argentina vs. New Zealand
Estadio Ciudad de La Plata, La Plata
Kick-off: 20:10 AST (UTC-03)
Round 6: 6 October 2012:
South Africa vs. New Zealand
FNB Stadium, Johannesburg
Kick-off: 17:00 SAST (UTC+02)
Argentina vs. Australia
Estadio Gigante de Arroyito, Rosario
Kick-off: 20:10 AST (UTC-03)
Bledisloe Cup (3rd Test): 20 October 2012:
Australia vs. New Zealand
Suncorp Stadium, Brisbane
Kick-off: 20:05 AEST (UTC+10)
Source: http://en.wikipedia.org/wiki/2012_Rugby_Championship