Matsya Purana 264.25

264.25

taiḥ pūjā lokapālānāṃ kartavyā ca samantataḥ.
trirātramekarātraṃ vā pañcarātramathāpi vā .. 264.24

The offerings to Brahmâ above should be made by reciting the first part of the mantra, to Vâsuki below by reciting the middle portion of the mantra and then to the Lokapâlas in all directions The mantras given in Samhitâ and Sruti are to be repeated—23

Preliminary ceremonies (Adhivâs) of images should be observed for three nights, one night or 5 nights, or 7 nights as the case may be—24 25