Narada Purana (Jyotisha Selections) · by Vyasa
Chapter 8 · Marriage
विवाहः
वक्ष्यंतेऽत्र समासेन शृणु नारद सांप्रतम् ।पञ्चांगशुद्धिराहित्यं दोषस्त्वाद्यः प्रकीर्तितः ॥ ४३५ ॥
In the full Narada Purana (Purva Bhaga) this is chapter 56, verse 435.
will be told here in short. Listen now, Narada. The first fault is called the lack of purity of the panchanga (almanac).
Simple meaning: Now the 21 faults are told. The first is an impure almanac.
उदयास्तशुद्धिर्हानिर्द्वितीयः सूर्यसंक्रमः ।
More faults: rising and setting, the Sun's sign change, bad divisions, Venus in the 6th, Mars in the 8th.
गंडांतं कर्तरी रिष्फषडष्टेन्दुगतो ग्रहः ।
More faults: gandanta, kartari, the Moon in the 6th, 8th or 12th, the 8th sign, and poison time.
दुर्मुहूर्तो वारदोषः खार्जूरिकसमाङ्घ्रिभम् ।
More faults: a bad hour, a bad weekday, and stars spoiled by line, eclipse or bad planets.