Narada Purana (Jyotisha Selections) · by Vyasa
Chapter 8 · Marriage
विवाहः
कुनवांशकलग्नं यत्त्याज्यं सर्वगुणान्वितम् ।यस्मिन्दिने महापातस्तद्दिनं वर्जयेच्छुभे ॥ ४७७ ॥
In the full Narada Purana (Purva Bhaga) this is chapter 56, verse 477.
Leave out a lagna (rising sign) in a bad navamsha (one-ninth part of a sign). Leave it out even if it has every good quality. On a day with a great pata (fall-point fault), avoid that day in a good act,
Simple meaning: Avoid a lagna in a bad navamsha, and avoid a day with a great fall-point fault.
अपि सर्वगुणोपेतं दम्पत्योर्मृत्युदं यतः ।
Such a day may put the couple's life at risk. Lightning, mist and rain are small faults.
प्रत्यर्कपरिवेषेंद्रचापांबुधरगर्जनाः ।
A false sun, halo, rainbow, thunder and some named faults and days are bad for weddings.
दग्धलग्नांधवधिरपंगुसंज्ञाश्च राशयः ।
Burnt lagnas and the signs called blind, deaf and lame are also faults. Now the rules for them.