How long does it take for the moon to go through its cycle?

Question

just wanted to know cause ive gotten alot of weird answers

Answer 1

Either 27.5 days or 29.5 days, depending on whether you are counting new moon to new moon as seen from earth (29.5), or the moon showing the same phase to the stars (27.5 days).

Answer 2

Depends...is it a female moon?

Answer 3

The Moon passes between the Earth and the Sun every 29 and a half days. On any given year we can have 12 to 14 full moons or 12 to 14 new moons. When we have two full moons in any given month that is called a blue moon. When we have two new moons in any given month, such as August of this year, we consider that a dark moon. These cycles reset every 19 years.

Answer 4

29.5 DAYS DUDE

Answer 5

28 days is a moon cycle.

Answer 6

On average: 29.530589 days (days of 86,400 seconds)

29 days 12 hours 44 minutes 3 seconds.

This is an average over a long period (each individual orbit may vary by a few hours -- see example below).

This is called a synodic month;  the word synodic comes from an old word meaning "formal announcement" as the cycles of the Moon (usually the New Moon) would "announce" the start of the next month in lunar calendars.

The time for Moon's orbit in relation to the fixed stars (this is called the sidereal month and is the one to use when doing orbital calculations) : 27.321662 days

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Example (using New Moon -- in Universal Time):

3 June 19:23 to 3 July 2:19 = 29 d 6 h 56 m

3 July 02:19 to 1 August 10:12 = 29 d 7 h 53 m

1 Aug. 10:12 to 30 Aug. 19:58 = 29 d 9 h 46 m

30 Aug. 19:58 to 29 Sept. 08:12 = 29 d 12 h 14 m

29 Sept. 08:12 to 28 Oct. 23:14 = 29 d 15 h 02 m

Answer 7

Just go with: a month.

The word being derived from the word: "moon".

You watch those crappy old movies about ancient people using "many moons" well, many months really.

Answer 8

I'm just jumping in here to support the 29.5 answers.  You are still getting a variety.

28 days is simply incorrect.

The way you worded your question rules out the 27.3 day sidereal cycle, as well.  The "cycle" you are referring to is its phase cycle, or synodic month.  That is the time between two consecutive occurrences of the same exact phase.  That's 29.5.

Answer 9

The Moon and Earth orbit around their common centre of mass in a period of 27.32166d (a sidereal month)

Answer 10

hey chriss

it's two weeks according to the a plus thing.

<3

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