290 B.C. 340-310 B.C. 1st-2nd quarter of 3rd B.C. 2nd half of 4th B.C. 4th quarter of 4th B.C.
275-225 B.C. 1st-2nd quarter of 3rd B.C. 3rd quarter of 4th B.C.-1st quarter of 3rd B.C.
1st-2nd quarter of 3rd B.C.
2nd-1st B.C. Late 1st B.C.-Early 1st A.D. Turn of the era
Late 5th-Early 4th B.C. 2nd quarter of 6th B.C. 1st-2nd quarter of 3rd B.C. 3rd B.C. 2nd-1st B.C. 2nd quarter of 5th B.C. 2nd half of 1st A.D. Middle to 3rd quarter of 4th B.C. End of 1st quarter of 6th B.C. 1st-3rd A.D. End of 4th B.C. 4th quarter of 5th B.C.
2nd half 4th A.D. 1st half 4th A.D. 4th A.D. Late 4th-early 5th A.D. Late 1st-early 2nd A.D. Mid 4th A.D. Late 1st-2nd A.D. 2nd half 3rd A.D.
2nd-3rd A.D. 2nd A.D. Late 2nd-3rd A.D. Late 2nd-Early 3rd A.D.