SnowMan68 - 9:26 pm on Nov 6, 2012 (gmt 0)

One hour ago, on Twitter, "A Googler" tweeted "Panda data refresh rolling out. ~1.1% of English queries noticeably affected. More context:

So with that, how do we know if it happened on the 5th as Danny Sullivan stated or is currently rolling out as Agoogler says?