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.
Black Squadron and General Organa have teamed together for an extra-top-secret mission…and it's up to them to rescue Lor San Tekka! Meanwhile, what's Suralinda got up her sleeves?