BBY/ABY is used to position items along the Star Wars Timeline. BBY refers to Before the Battle of Yavin. ABY refers to After the Battle of Yavin. The Battle of Yavin in Episode IV: A New Hope occured in 0 BBY/ABY.
War breaks out…with our Jedi caught in the middle! Master and apprentice come to an important realization. Marvel's first Jedi-centric miniseries draws to a dramatic close!