Does the moon have anything to do with months?

Answer 1

There are 12.36 lunar months in one Greogorian year [nearly same for solar year], since lunar month consists of 29.53 days. However there are only 13 lunar months if at all it is a lunar year.
12 lunar months are a bit shorther than a "solar year" - about 11 days shorter. In the case of the Islamic calendar, what they call year is by definition exactly 12 lunar months - but this year is shorter than a year of the Gregorian calendar, by about 11 days.

Answer 2

Yes, the word "month" actually has its roots in the word "moon." The modern calendar is based on the cycles of the moon, with an average month being roughly the length of time it takes for the moon to complete a full orbit around the Earth.

Answer 3

You'd really have to define what you mean by a "lunar month".

The moon completes an orbital revolution of the Earth every 27.32 days.

But a complete cycle of the moon's "phases" that we see takes 29.53 days.

If you lived on the moon, here's what you would see in your sky:

-- The Earth would never move in your sky. Wherever you see it right now is where

you'll always see it. Of course, that means that there is half of the moon's surface

from which the Earth is never seen.

-- While it never moves in the sky, the Earth does go through 'phases' ... New Earth,

waxing crescent Earth, First Quarter, gibbous Earth, Full Earth, etc.

-- Although the Earth never moves in your sky, the Sun does. It rises, crosses the sky,

and sets. It's up for roughly 2 earth-weeks, then down for roughly the next 2 earth-weeks.

-- You would soon notice that the 'phases' of the Earth exactly track the changing

position of the sun in your sky. The Earth stays right where it is. The sun goes

round and round, rising and setting. The amount of Earth that's illuminated

exactly tracks how far the sun is from the Earth in your sky.

-- If you sit outside with a glass of iced tea and watch the Earth, you can clearly

see it spinning, as the continents and cloud-covered areas move across it. You can

see it make a complete spin about once every 24hours 50minutes . But it's slipping

around inside this partly-illuminated shape of the current phase, which isn't changing

fast enough to notice at all.

-- The farther the sun is from the Earth in your sky, the more of the Earth is lit up.

When the sun is up, the Earth phase shrinks from Third Quarter, through waning

crescent, to New Earth, and then grows through waxing crescent, to First Quarter

when the sun sets.

While the sun is down, the phase goes from First Quarter, through waxing gibbous

to Full Earth, then shrinks through waning gibbous, to Third Quarter when the sun

rises.

-- This whole cycle ... from one sunrise to the next, through all the phases of the Earth,

runs 29.53 earth-days.

-- Because there is no air to scatter the sunlight or spoil your view, you can see

the stars in your sky all the time, even when the sun is up. So you also get to

know the constellations and their motions very well. You notice that the whole

dome of stars rotates around you, a little bit faster than the sun does. If you

watch one star, you observe that it rises and sets, just like the sun does, but

a little faster than the sun. The sun takes 29.53 earth-days, but the whole bowl

of stars rotates around you every 27.32 earth-days.

-- So the sun seems to be slowly losing ground, drifting 'backward' through the stars ...

the sun takes 2.21 earth-days longer to go all the way around you than the stars

do, and the stars are continually pulling ahead of the sun. How long does it take

the stars to completely 'lap' the sun in your sky ? ... make one more complete

revolution than the sun has made in the same amount of time ?

Watch it for several years so you can average it out, and it turns out to be 365.25 earth-days.

Where have you heard that number before ?

Answer 4

A Lunar Month is the average time between successive new or full moons, equal to 29 days, 12 hours, 44 minutes.

A Calendar Month is one of the 12 divisions of a year as determined by a calendar, especially the Gregorian calendar, these months vary from 28 to 31 days.

Answer 5

Months were originally based on the lunar cycle: one month equalled one procession through the phases of the moon.

Later alterations, intended to match the number of months in year with the solar year, altered the definition of a month to an arbitrary standard, where each was fixed with a particular number of days.

February is now the only month with the original number of days.

Answer 6

It depends. Some systems... for example, the Hebrew... sometimes have 12 months and sometimes have 13 months in an effort to keep the calendar more or less aligned with the seasons. In other systems, like that used by Islam, they basically say the heck with the seasons and use the same number of months in every year, so their calendar "drifts".

In any system, the answer is almost certainly going to be either 12, or 13, or sometimes 12 and sometimes 13, because there are between 12 and 13 lunar months in a solar year.

Answer 7

It depends on what you consider to be a 'lunar month'.

If you take it to be a complete cycle of the moon's apparent 'phases',

then there are 12.368 of those in one year. (rounded)

Answer 8

There are 12.3682662 lunar months in a Gregory year

Answer 9

12 i think

12.36 actually

Answer 10

there are 365 and 1/4 of a day hence a leap year every 4 years when there are 366.