Well after middle of 1st B.C. Middle of 1st B.C.-Early years of 1st A.D. Early 1st B.C. 2nd half of 1st B.C. 50 B.C. 2nd-1st B.C. Late 2nd B.C.-86 B.C. Last years of 2nd B.C.-86 B.C.
1st A.D. 2nd half of 1st B.C. Third quarter of 1st B.C.-earliest years of 1st A.D. (Augustan) 3rd quarter of 1st B.C. at least into 1st quarter of 1st A.D. Late 2nd-Late 1st B.C. Shortly before or after 86 B.C.