can any one tell how much day after google define page rank of a website?

[forummaster1]

All SEO expert can anyone tell what is the accurate time for define page rank?

[luckykashyap]

there is a specific time duration of page rank which google difine to a website. according to my experience google updates page rank approx 90 days after index a websites.its also depand on visits, backlinks and domain age of website