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cheetah
Post  Post subject: The earth year  |  Posted: Fri Feb 05, 2016 10:14 am

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We know that moon is perfect in the 14th day of the month before that 13 days and after it 13 days be it 27 + the day in the month when the moon disappears so 28 days
meaning the moon month is 28 days
28×12 = 336 : far away from the year we know
So let's multiply it per 13!
28×13=364 days in the year which is admittable!
Let's suppose months are based on the moon and year on the sun
Hypothesis:
Sun year = 364 days =13 months =52 weeks (exacly)
Season = 91 days = 3 months and one week(exacly)
Month=4 weeks (exacly)
This is the true and simple and clear calculation of the year and we need to clean our messiness as humans life can't go on if we base it on wrongness.
Goodbye


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marnixR
Post  Post subject: Re: The earth year  |  Posted: Fri Feb 05, 2016 6:33 pm
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except that from time to time we need a leap day, hence your calculation doesn't completely match the messiness of reality

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Daecon
Post  Post subject: Re: The earth year  |  Posted: Sat Feb 06, 2016 10:50 am
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When we changed to the current calendar, 13 was still considered an "unlucky" number.


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Pong
Post  Post subject: Re: The earth year  |  Posted: Sun May 29, 2016 11:51 am
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I'd go with cheetah's revised calendar, if only because our 10th month is October and 12th month is December. A part of me cringes every time.


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janus
Post  Post subject: Re: The earth year  |  Posted: Sun May 29, 2016 3:51 pm

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Pong wrote:
I'd go with cheetah's revised calendar, if only because our 10th month is October and 12th month is December. A part of me cringes every time.


And the fact that (Sept)ember is the 9th month and (Nov)ember is the 11th month doesn't bother you? Blame the introduction of January and February, Up till then, the calendar had only 10 months of 30 or 31 days. The part of the year that took place before March just wasn't assigned to any month. On the other hand you can thank Julius and Augustus Caesar for renaming two months after themselves or you would have a 7th month named (Quin)tilus and a 8th month named (Sex)tilus.

As far as cheetah's calendar goes, it really doesn't make sense. Mainly because synodic month (the cycle of the Moon's phases) lasts ~29.53 days, not 28, So the number of synodic month in a year is a bit over 12 1/3. Besides that, 364 day year is ~1.25 days shorter than the Tropical year(The time period that governs the seasons), so in just 24 years the calendar will have drifted 30 days with respect to the seasons.(This is why we switched from the Julian to Gregorian calendar; the later kept better time with the seasons).
That's not to say the present calendar couldn't be tweaked a bit to make it a bit more "user friendly". Right now the pattern of days in a month goes 31, 28(29),31,30,31,30,31,31,30,31,30,31. With a little tweak we could have 30,31,30,31,30,31,30,31,30,31,30,30(31). Odd months have 30 days and even ones have 31(except for Dec which has 30 in non leap years and 31 in leap years.) Easier to remember how many days are in a given month, and puts the leap day at the end of the year rather than part way into it.


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Pong
Post  Post subject: Re: The earth year  |  Posted: Mon May 30, 2016 1:24 am
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janus wrote:
synodic month (the cycle of the Moon's phases) lasts ~29.53 days, not 28

Can't fit the lunar cycle any way. So let's forget about the moon...

...we do have a more important cycle that's ideally 28 days: Aunt Flo.

You could raise the flag of Japan on the 1st of each month (a weekend), and maybe over time all women would sync up. For a more orderly society. :|


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iNow
Post  Post subject: Re: The earth year  |  Posted: Mon May 30, 2016 1:50 am
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First Janus, while I miss the days of your CGI self portrait avatar and amazing graphics work provided to users with questions around orbital mechanics, it's quite nice to see you here and your post is illuminating and educational as they always are. Thank you.

Second Pong, I'd be willing to bet that the menstrual cycles to which you refer above actually align much more closely with the 29.53 day timing cited by Janus than with the popculture assumption of 28 days, but that's clearly a bit off-topic and probably shouldn't be discussed further here.

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