Year
Astronomical years
411.78443029 days (411 days 18 hours 49 minutes 35 seconds) (at the epoch J2000.0). The lunar year comprises twelve full cycles of the phases of the Moon, as seen from Earth. It has a duration of approximately 354.37 days. Muslims use this for celebrating their Eids and for marking the start of the fasting month of Ramadan.
Year-47