Answer: lunisolar

AnswerCrossword Clue
LUNISOLAREcliptic period of Julian calendar.
lunisolarrelating jointly to the moon and sun
lunisolarOf or concerning the combined motions or effects of the sun and moon
lunisolarOf or denoting a 532-year period over which both the lunar months and the days of the week return to the same point in relation to the solar year
lunisolarOf or employing a calendar year divided according to the phases of the moon, but adjusted in average length to fit the length of the solar cycle