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.
Poe and Agent Terex are in a race…to break out of jail! But with Black Squadron surrounded by deadly inmates…their only hope is BB-8?!?