It starts at 22

21 on the 9th, and goes direct on September 8 at 12

32. The review period began on Feb 13th, and the period ends on December 1st. So, actually, the period is fairly long, and there are only 3 months of the year that Jupiter is not under review.
OK - what does it mean - look at the house its in and the aspects to the planets - and with Jupiter, its good to write down the dates that the exact aspects will happen, as otherwise they will be hard to miss....