Does the Easter Vigil Count for Easter Sunday Mass?

If you attend the Easter vigil, you have fulfilled your obligation to attend Mass on Easter. You are not required to attend on Easter Sunday. Attending any Saturday evening Mass fulfills one’s Sunday obligation.

Canon 1248, 1. The precept of participating in the Mass is satisfied by assistance at a Mass which is celebrated anywhere in a Catholic rite either on the holy day or on the evening of the preceding day.