Actually it doesn't have any mean coz no one can tell you the exact time frame of PR updation. Only the assumtion can be given on behalf of the previous pr updation data. It is not officially declared by the Google as when it will happened and I have noticed that current PR updation was just a fraction and not a complete PR updations for the site. So it is possible to suggest the next PR updation. Usually Google take 2 to 3 months for PR updation but the exact time is not decided.
they have been doing a lot of holidays for the past few years...Last one I saw was over Easter weekend, last year Christmas, Halloween, 4th of July (or very close). Thinking Labor day weekend at the latest (September 4th-6th).
Updated in 2008 became 22 in August. Pagerank was updated in October of 2009 while. I guess my month of September ..
None of my sites had PR change.. That's to bad because I am promoting them heavily. Unfortunately, advertisers are still looking for PR sites and if Google will not update the PR, I will loose money...
It will be tomorrow if it's sunny and warm in your area. If it's cloudy and cold in your area I hear it might be delayed a little bit. Heck who knows. There has been nearly a 6 month interval between pagerank update in the past so you never know really. Everyone just assumes 3 months for some reason. It isn't going anywhere it will happen, plus it gives you more time to keep working.