1911 Encyclopædia Britannica/Lunation
LUNATION, the period of return of the moon (luna) to the same position relative to the sun; for example, from full moon to full moon. Its duration is 29.5305884 days.
See also Lunation on Wikipedia; and our 1911 Encyclopædia Britannica disclaimer.
LUNATION, the period of return of the moon (luna) to the same position relative to the sun; for example, from full moon to full moon. Its duration is 29.5305884 days.