I have been seeing a lot of people arguing about when certain updates have happened (more to the point page rank). So I decided to share my data with my readers to help clear up any confusion.

06/06/2007 20/10/2007 11/01/2008 29/02/2008 29/04/2008

The dates have been collected every time Google updates their page rank - data centers tend to go down a week before an update and a backlink update also occurs before a PR update.

If I was to hazard a guess I would say the 4th PR update of 2008 will happen at the end of June 2008


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