2nd half of 1st A.D. 1st half of 2nd A.D. 2nd quarter of 1st B.C.-Latest years of 1st A.D. Later 2/3rds of 1st B.C. Latter part of 1st A.D.-Early part of 2nd A.D.
Middle years of 1st B.C. Middle years of 1st B.C.-86 B.C. 86 B.C.-1 B.C. 2nd quarter of 1st B.C.-Earliest years of 1st A.D. 1st B.C.-Early years of 1st A.D. Late 2nd B.C.