Skandapurana 6.3.20.53

6.3.20.53

pañcamaṃ jātakarma syānnāma vai ṣaṣṭhamucyate .
niṣkrāmaḥ saptamaścaiva hyannaprāśanamaṣṭamam .. 20.53 ..

the fifth is the birth-rite, the name-giving is called the sixth; / the seventh is the first outing, and the eighth is the feeding of solid food;