Period Between New Moons
This page is the CodyCross answer for the clue below from Deserts of the world, Group 1610, Puzzle 1 (Mojave and Sonoran).
Question is: Period Between New Moons
and the answer is: LUNATION
Word Meaning:
LUNATION — A month of an average of approximately 29.53 days, measured from a lunar phase until the return of that same phase.
Definitions from Wiktionary.