Actually, the D.C. schedule was:
1) Jan. Action (Supergirl).
2) Feb. Flash
3) Mar. Superboy
4) April / October Superman
5) May / Nov. Batman
6) June Jimmy Olsen
7) July Lois Lane
8) August World's Finest
9) Sept. JLA
10) Dec. Sgt. Rock
Go to Mike's Amazing World of D.C. Comics website to verify.