User blog comment:Paul.rea/Teen Wolf News 081314/@comment-76.70.104.110-20140819012522/@comment-4091815-20140819012859

It's been one year.

Lydia was sixteen at the beginning of Season 2 - she turned 17 during the Party Guessed episode. Her mother says she will turn 18 in "a few weeks."

Scott was 16 during Season 2 - They've not shown a birthday for him on the show.

The same is true for Stiles.