Enoch 73:3
And her rising and setting change every month: and her days are like the days of the sun, and when her light is uniform (i.e. full) it amounts to the seventh part of the light of the sun.
And her rising and setting change every month: and her days are like the days of the sun, and when her light is uniform (i.e. full) it amounts to the seventh part of the light of the sun.