Crossword-Solution: LUNISOLAR 9 letters, 5 clues 🏆 scrabble score: 9

Their year accordingly was lunisolar, consisting of twelve lunar months, with an intercalation to make the whole agree with the annual course of the sun.

Hitherto the Lunisolar year had been in use: but this year being of an uncertain length, and so, unfit for Astronomy, in his days and in the days of his sons and grandsons, by observing the Heliacal Risings and Setting of the Stars, they found the length of the Solar year, and made it consist of five days more than the twelve calendar months of the old Lunisolar year.

Their old year was the Lunisolar year, derived from _Noah_ to all his posterity, 'till those days, and consisted of twelve months, each of thirty days, according to their calendar: and to the end of this calendar-year they now added five days, and thereby made up the Solar year of twelve months and five days, or 365 days.

Lunisolar precession (Astron.), that portion of the annual precession of the equinoxes which depends on the joint action of the sun and moon.

THE CALENDAR The Hindus have had from very ancient times the system of lunisolar cycles, made by the combination of solar years, regulated by the course of the sun, and lunar years, regulated by the course of the moon, but treated in such a manner as to keep the beginning of the lunar year near the beginning of the solar year.