Narada Purana (Jyotisha Selections) · by Vyasa
Chapter 9 · Vastu, Griha Pravesha
वास्तु गृहप्रवेशश्च
व्यर्कारवारे तिथिषु रिक्तामावर्जितेषु च ।दिवा वा यदि वा रात्रौ प्रवेशो मगलप्रदः ॥ ७१६ ॥
In the full Narada Purana (Purva Bhaga) this is chapter 56, verse 716.
Pick a weekday other than Sunday or Tuesday. Pick tithis (moon days) other than the rikta (empty tithi) ones and the new moon. Then entering is good, by day or by night.
Simple meaning: Move in on any day but Sunday or Tuesday, and avoid empty days and the new moon.
शशीज्यांतेषु वरुणत्वाष्ट्रमित्रस्थिरोडुषु ।
Enter under Mrigashira, Pushya, Revati, Shatabhisha, Chitra, Anuradha or a fixed star, with Jupiter and Venus visible.
चंद्रताराबलोपेते पूर्वाह्णे शोभने दिने ।
Move in on a good morning, with the Moon and star strong, a fixed rising sign and a clean 8th house.
कर्तुर्वा जन्मभ लग्ने ताभ्यामुपचयेऽपि वा ।
Enter when the rising sign is the doer's birth sign, birth rising sign or a growth house from them.