Moon Harmonics indicator represent the tropical zodiac energy forces that develop through the course of Moon in the tropical zodiac wheel. The waves indicates the strength of cardinal energy (initiator) and this forces seems to correlate well with the most relevant pivot points. Consider that Moon rules the emotions, instinctive reactions, the flow of the energy from our inner to the outer world.
Note: The Moon Harmonics indicator is based on an ephemeris array that covers years 2010 to 2030, prior or after this years the data is not available, this daily ephemeris are based on UTC time so in order to align properly with the price bars times you should set UTC as your chart timezone.