Board Thread:Legitimate Canon Questions/@comment-95.83.253.56-20140211123442/@comment-4091815-20140211124119

There are specific dates shown in Season 1 which place it in January/February 2011.

Season 2 takes place over just a few weeks with Lydia's Birthday falling in March.

Four months pass during the hiatus before Season 3 as discussed by mulitple characters in Tattoo placeing them in August/September 2011.

All of Season 3(a) takes place over a few weeks with another few weeks hiatus before 3(b) begins with Anchors.

Our Wolf Timeline for Season's 1 and 2 has most of the details.