Question

the duration of full moon to full moon cycle changes throught the year.it has a variation of around 12hour.why​

Answer 1

Answer:

The lunar phase or Moon phase is the shape of the directly sunlit portion of the Moon as viewed from Earth. The lunar phases gradually change over the period of a synodic month (about 29.53 days), as the orbital positions of the Moon around Earth and of Earth around the Sun shift.

Answer 2

Explanation:

The lunar phase or Moon phase is the shape of the directly sunlit portion of the Moon as viewed from Earth. The lunar phases gradually change over the period of a synodic month (about 29.53 days), as the orbital positions of the Moon around Earth and of Earth around the Sun shift.

File:Moon Phases 2020 - Northern Hemisphere - 4K.ogvPlay media

The lunar phases and librations in 2020 as viewed from the Northern Hemisphere at hourly intervals, with titles and supplemental graphics

File:Moon Phases 2020 - Southern Hemisphere - 4K.ogvPlay media

The lunar phases and librations in 2020 as viewed from the Southern Hemisphere at hourly intervals, with titles and supplemental graphics