Narada Purana (Jyotisha Selections) · by Vyasa
Chapter 7 · Samskara Muhurtas
संस्कारमुहूर्ताः
शुभलग्ने शुभांशे च निधने शुद्धिसंयुते ।षष्ठे मास्यष्टमे वापि पुंसां स्त्रीणां तु पञ्चमे ॥ ३३० ॥
In the full Narada Purana (Purva Bhaga) this is chapter 56, verse 330.
With a good lagna (rising sign) and a good navamsha (one-ninth part of a sign), and the 8th house clean: for boys in the 6th or 8th month, for girls in the 5th,
Simple meaning: For boys the 6th or 8th month, for girls the 5th, with a good rising sign and a clean 8th house.
सप्तमे मासि वा कार्यं नवान्नप्राशनं शुभम् ।
The first grain feeding is done in the 7th month, on days other than empty, lost, Nanda, 8th and 12th moon days.
त्यक्त्वान्यतिथिषु प्रोक्तं प्राशनं शुभवासरे ।
Do the feeding on a good weekday and a good star, with a clean 8th house.
दशमे शुद्धिसंयुक्ते शुभलग्ने शुभांशके ।
A good rising sign, a clean 10th house and a good planet joined or looking at it help this rite.