Narada Purana (Jyotisha Selections) · by Vyasa
Chapter 8 · Marriage
विवाहः
रूपपक्षा व्योमदस्रा वेदचन्द्राश्चतुर्दश ।शून्यचन्द्रा वेदचन्द्रा षड्ऋक्षा वेदबाहवः ॥ ४६६ ॥
In the full Narada Purana (Purva Bhaga) this is chapter 56, verse 466.
Then 21, 20, 14, 14, 10, 14, 56 and 24. These are for Hasta to Purva Ashadha.
Simple meaning: Number list for the next eight stars: 21, 20, 14, 14, 10, 14, 56, 24.
शून्यदस्राः शून्यचंद्राः पूर्णचंद्रा गतेंद्रवः ।
The last seven stars get 20, 10, 10, 18, 16, 24 and 30.
आभ्यः परास्तु घटिकाश्चतस्रो विषसंज्ञिताः ।
Four periods after those counts are called poison. Avoid them in weddings and other acts.
भास्करादिषु वारेषु ये मुहूर्ताश्च निंदिताः ।
Time slots blamed for each weekday should be avoided in weddings, even if they have many good points.