There are eight phases of the moon during a 29.5-day cycle: new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter and waning crescent. The phases exist ...

A black moon happens when the lunar cycle, which spans about 29.5 days ... A noteworthy prelude to the black moon occurs on December 28 at 11:24 p.m. ET, when the moon will be in conjunction ...

The Chinese calendar, which underpins the Lunar New Year, is a lunisolar system combining lunar and solar cycles. A month is based on a lunar cycle averaging 29.5 days ... the festival in 2025 are ...