Narada Purana (Jyotisha Selections) · by Vyasa
Chapter 6 · Calendar, Muhurta Elements
कालमानं मुहूर्ताङ्गानि च
हानिर्वृद्धिर्ग्रहाधीना तस्मात्पूज्यतमा ग्रहाः ।मणिर्मुक्ताफलं विद्रुमाख्यं मरकतं तथा ॥ २८१ ॥
In the full Narada Purana (Purva Bhaga) this is chapter 56, verse 281.
Loss and gain depend on the planets, so the planets are the most worthy of worship. Ruby, pearl, coral and emerald,
Simple meaning: Gain and loss depend on planets, so worship them. Wear the right gems.
पुष्परागं तथा वज्रं नीलं गोमेदसंज्ञितम् ।
Wear these gems in order to please the planets.
शुक्लपक्षादिदिवसे चंद्रो यस्य शुभप्रदः ।
If the Moon is good on day one of the bright fortnight, that fortnight is good for the person.
शुक्लपक्षे शुभश्चंद्रो द्वितीयनवपंचमे ।
In the bright fortnight the Moon is good in the 2nd, 9th and 5th, unless blocked.