Skandapurana 14.51.17

14.51.17

yo vā somadine snānaṃ darśanaṃ tatra cācaret ..
tava loke dhruvaṃ vāsastasya caṃdra bhaviṣyati .. 17 ..

Or whoever performs a ritual ablution and darśana there on a Monday,
his dwelling shall certainly be in your world, O Moon.