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Hello GHMB,

What I have been calling the Giza Grid cycle of 99 Lunar months is actually known by a different name than the Metonic cycle called the Octaeteris cycle as mentioned in this Wiki article:

[en.wikipedia.org]

This cycle of the Moon has been known for countless millennia by many ancient cultures as the article states, and was utilized by the Greeks to compute the Olympic games among other events. And even though both the integer count of this cycle into 99 mos of 29.53125 days is imprecise, as well as the Sothic 4 Year cycle of 1461 days, there does appear to be an adjustment ratio factor which brings this cycle extremely close to the current know value of the Lunar Synodic cycle of 29.5306 days. This ratio is 1837/1836. Now I have been examining the divisor of this ratio 1836, in a few contexts already as it is a multiple / 32 = 57.375 Radian SOL, calculation. But in this application, I shall demonstrate how this particular ratio brings both inaccuracies of the Lunar and Solar cycles of the Egyptian acct. system into precision. Starting with the basics, 99 x 29.53125 day LM, / 365.25 JY = 8.00436345 Yrs. This figure is in excess of an integer number of JY, by the close ratio x 1836/1837 = 8.00006148 JY. Then using this value multiplied by not the Julian, but the more precise Gregorian Calendar cycle 365.2425 days. = 2921.942245 day Octaeteris cycle. Such that when I divide this value by 99 Lunar Months = 29.51456814 days, I get a diminished value of the Lunar Month. But when I then multiply this figure by the aforesaid 1837/1836 ratio, I get 29.53064361 days. Synodic Month. Well, don't that beat all including my former precision calculation of the Luni/Solar cycle using the cube rt. 1892 value I posted previously in the subtopic heading Lunar Target Practice. This being a mere 4.63 seconds off the modern value.

Best regards,

Stephen

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Let there be Phos :) 2571 magisterchessmutt 16-Dec-17 03:08
Re: Let there be Phos :) 402 magisterchessmutt 16-Dec-17 14:12
Re: Let there be Phos :) 427 drew 17-Dec-17 02:30
Re: Let there be Phos :) 293 magisterchessmutt 17-Dec-17 14:17
Re: Let there be Phos :) 393 Sirfiroth 17-Dec-17 21:38
Re: Let there be Phos :) 332 magisterchessmutt 17-Dec-17 22:29
Re: Let there be Phos :) 391 Horatech 18-Dec-17 06:12
Re: Let there be Phos :) 300 magisterchessmutt 18-Dec-17 14:03
Re: Let there be Phos :) 415 Horatech 18-Dec-17 23:27
Re: Let there be Phos :) 341 magisterchessmutt 19-Dec-17 02:49
Re: Let there be Phos :) 312 molder 19-Dec-17 05:00
Re: Let there be Phos :) 326 Horatech 19-Dec-17 06:19
Re: Let there be Phos :) 318 magisterchessmutt 19-Dec-17 06:25
Re: Let there be Phos :) 326 molder 19-Dec-17 07:11
Re: Let there be Phos :) 397 magisterchessmutt 19-Dec-17 11:56
Re: Let there be Phos :) 317 Sirfiroth 19-Dec-17 19:32
Re: Let there be Phos :) 374 magisterchessmutt 20-Dec-17 03:00
Re: Let there be Phos :) 287 Sirfiroth 20-Dec-17 16:03
Re: Let there be Phos :) 314 magisterchessmutt 21-Dec-17 06:22
Re: Let there be Phos :) 283 molder 19-Dec-17 22:08
Re: Let there be Phos :) 319 magisterchessmutt 20-Dec-17 02:08
Re: Let there be Phos :) 312 molder 20-Dec-17 20:57
Re: Let there be Phos :) 339 magisterchessmutt 22-Dec-17 02:33
Re: Let there be Phos :) 307 magisterchessmutt 22-Dec-17 04:23
Re: Let there be Phos :) 322 mmstud 22-Dec-17 08:12
Re: Let there be Phos :) 337 magisterchessmutt 22-Dec-17 10:44
Re: Let there be Phos :) 313 mmstud 22-Dec-17 12:26
Re: Let there be Phos :) 410 magisterchessmutt 23-Dec-17 00:47
Re: Let there be Phos :) 443 magisterchessmutt 24-Dec-17 15:20
Re: Let there be Phos :) 401 magisterchessmutt 24-Dec-17 04:07
Re: Let there be Phos :) 336 drew 18-Dec-17 00:51
Re: Let there be Phos :) 345 magisterchessmutt 18-Dec-17 02:11
Re: Let there be Phos :) 448 mmstud 22-Dec-17 14:44
Re: Let there be Phos :)Doubling a cube 421 molder 22-Dec-17 21:21
Re: Let there be Phos :)Doubling a cube 467 molder 23-Dec-17 22:27
Re: Let there be Phos :)Doubling a cube 371 magisterchessmutt 24-Dec-17 01:55
Re: Let there be Phos :)Doubling a cube 380 magisterchessmutt 26-Dec-17 14:53
Re: Let there be Phos :)Doubling a cube 311 molder 26-Dec-17 21:51
Re: Let there be Phos :)Doubling a cube 326 magisterchessmutt 27-Dec-17 03:36
Re: Let there be Phos :)Doubling a cube 313 molder 27-Dec-17 05:02
Re: Let there be Phos :)Doubling a cube 358 magisterchessmutt 27-Dec-17 11:07
Re: Let there be Phos :)Doubling a cube 350 rodz111 29-Dec-17 22:44
Re: Let there be Phos :)Doubling a cube 278 Sirfiroth 28-Dec-17 18:28
Re: Let there be Phos :)Doubling a cube 366 DavidK 28-Dec-17 19:33
Re: Let there be Phos :)Doubling a cube 372 magisterchessmutt 29-Dec-17 02:42
Re: Let there be Phos :)Doubling a cube 413 Sirfiroth 29-Dec-17 14:27
Re: Let there be Phos :)Doubling a cube 350 DavidK 29-Dec-17 15:05
Re: Let there be Phos :)Doubling a cube 368 magisterchessmutt 29-Dec-17 01:37
Re: Let there be Phos :)Doubling a cube 431 DavidK 29-Dec-17 01:52
Re: Let there be Phos :)Doubling a cube 491 magisterchessmutt 29-Dec-17 03:04
Re: Let there be Phos :)Doubling a cube 285 molder 31-Dec-17 22:57
Re: Let there be Phos :) 419 cladking 28-Dec-17 20:36
Re: Let there be Phos :) 356 magisterchessmutt 29-Dec-17 01:47
Re: Let there be Phos :) 349 cladking 29-Dec-17 02:06
Re: Let there be Phos :) 332 cladking 29-Dec-17 23:02
Re: Let there be Phos :) 464 DavidK 29-Dec-17 10:51
Re: Let there be Phos :) Lunar Target Practice 361 magisterchessmutt 30-Dec-17 03:24
Re: Let there be Phos :) 396 DavidK 29-Dec-17 15:22
Re: Let there be Phos :) 355 magisterchessmutt 30-Dec-17 04:28
Re: Let there be Phos :) 431 DavidK 30-Dec-17 15:56
Re: Let there be Phos :) 313 magisterchessmutt 31-Dec-17 05:32
Re: Let there be Phos :) 431 DavidK 31-Dec-17 10:28
Re: Let there be Phos :) 359 magisterchessmutt 31-Dec-17 12:18
Re: Let there be Phos :) Lunar Reflections 374 magisterchessmutt 01-Jan-18 11:07
Re: Let there be Phos :) Lunar Reflections 388 DavidK 01-Jan-18 11:40
Re: Let there be Phos :) Lunar Reflections 368 magisterchessmutt 01-Jan-18 13:00
Re: Let there be Phos :) Lunar Reflections 356 DavidK 01-Jan-18 13:39
Re: Let there be Phos :) Lunar Reflections 350 magisterchessmutt 02-Jan-18 04:12
Re: Let there be Phos :) Lunar Reflections 396 DavidK 02-Jan-18 09:34
Re: Let there be Phos :) Lunar Reflections 322 magisterchessmutt 02-Jan-18 12:30
Re: Let there be Phos :) Lunar Reflections 434 DavidK 02-Jan-18 13:20
Re: Let there be Phos :) Lunar Reflections 314 magisterchessmutt 03-Jan-18 03:57
Re: Let there be Phos :) Lunar Reflections 283 molder 03-Jan-18 06:00
Re: Let there be Phos :) Lunar Reflections 273 magisterchessmutt 03-Jan-18 07:04
Re: Let there be Phos :) Lunar Reflections 419 molder 03-Jan-18 08:47
Re:A Canonical alternative 358 cloister 03-Jan-18 10:14
Re: Re:A Canonical alternative 289 magisterchessmutt 03-Jan-18 11:16
Re: Re:A Canonical alternative 290 molder 03-Jan-18 11:46
Re: Re:A Canonical alternative 276 magisterchessmutt 03-Jan-18 12:18
Re: Re:A Canonical alternative 318 molder 03-Jan-18 12:34
Re: Re:A Canonical alternative 285 magisterchessmutt 03-Jan-18 13:19
Re: Re:A Canonical alternative 307 cloister 03-Jan-18 15:20
Re: Re:A Canonical alternative 292 magisterchessmutt 03-Jan-18 16:55
Re: Re:A Canonical alternative 393 cloister 05-Jan-18 17:23
Re: Re:A Canonical alternative 297 Origyptian 06-Jan-18 18:14
Re: Re:A Canonical alternative 291 magisterchessmutt 08-Jan-18 04:45
Re: Re:A Canonical alternative 363 cloister 08-Jan-18 11:25
Re: Re:A Canonical alternative 337 DavidK 03-Jan-18 15:37
Re: Re:A Canonical alternative 310 magisterchessmutt 03-Jan-18 17:31
Re: Re:A Canonical alternative 355 DavidK 03-Jan-18 18:54
Re: Re:A Canonical alternative 299 magisterchessmutt 04-Jan-18 03:04
Re: Re:A Canonical alternative 419 DavidK 04-Jan-18 09:55
Re: Re:A Canonical alternative 261 magisterchessmutt 04-Jan-18 11:20
Re: Re:A Canonical alternative 329 DavidK 04-Jan-18 11:55
Re: Re:A Canonical alternative 430 magisterchessmutt 04-Jan-18 12:13
Re: Re:A Canonical alternative 321 Sirfiroth 07-Jan-18 00:00
Re: Re:A Canonical alternative 351 magisterchessmutt 07-Jan-18 00:46
Re: Re:A Canonical alternative 304 magisterchessmutt 07-Jan-18 07:41
Re: Re:A Canonical alternative 364 cloister 07-Jan-18 09:07
Re: Let there be Phos :) 330 magisterchessmutt 07-Jan-18 16:12
Re: Let there be Phos :) 385 DavidK 07-Jan-18 18:28
Re: Let there be Phos :) 362 magisterchessmutt 07-Jan-18 22:43
Re: Let there be Phos :) 371 DavidK 07-Jan-18 23:09
Re: Let there be Phos :) 362 DavidK 07-Jan-18 23:53
Re: Let there be Phos :) 320 magisterchessmutt 08-Jan-18 03:37
Re: Let there be Phos :) 328 magisterchessmutt 08-Jan-18 04:05
Re: Let there be Phos :) 324 DavidK 08-Jan-18 08:25
Re: Let there be Phos :) 303 magisterchessmutt 08-Jan-18 10:28
Re: Let there be Phos :) 329 DavidK 08-Jan-18 10:59
Re: Let there be Phos :) 276 DavidK 08-Jan-18 11:17
Re: Let there be Phos :) 297 magisterchessmutt 08-Jan-18 12:35
Re: Let there be Phos :) 309 DavidK 08-Jan-18 17:45
Re: Let there be Phos :) 306 DavidK 08-Jan-18 19:43
Re: Let there be Phos :) 392 magisterchessmutt 09-Jan-18 03:46
Re: Let there be Phos :) 327 DavidK 09-Jan-18 18:21
Re: Let there be Phos :) The Scottish mile 331 molder 10-Jan-18 13:33
Re: Let there be Phos :) The Scottish mile 288 molder 10-Jan-18 13:57
Re: Let there be Phos :) The Scottish mile 292 DavidK 10-Jan-18 15:07
Re: Let there be Phos :) 244 DavidK 10-Jan-18 16:38
Re: Let there be Phos :) 285 DavidK 10-Jan-18 16:46
Re: Let there be Phos :) 334 DavidK 10-Jan-18 21:18
Re: Let there be Phos :) 297 molder 11-Jan-18 21:54
Re: Let there be Phos :) 299 magisterchessmutt 12-Jan-18 10:29
Re: Let there be Phos :) 262 DavidK 12-Jan-18 11:17
Re: Let there be Phos :) 254 DavidK 12-Jan-18 10:40
Re: Let there be Phos :) 287 magisterchessmutt 12-Jan-18 12:01
Re: Let there be Phos :) 287 DavidK 12-Jan-18 13:06
Re: Let there be Phos :) 263 DavidK 12-Jan-18 12:06
Re: Let there be Phos :) 300 magisterchessmutt 12-Jan-18 12:25
Re: Let there be Phos :) 343 DavidK 12-Jan-18 14:16
Re: Let there be Phos :) 298 magisterchessmutt 13-Jan-18 11:34
Re: Let there be Phos :) 257 DavidK 13-Jan-18 12:04
Re: Let there be Phos :) 307 magisterchessmutt 13-Jan-18 12:31
Re: Let there be Phos :) 394 DavidK 13-Jan-18 12:47
Let there be Phos at the GP 464 DavidK 17-Jan-18 15:13
Re: Let there be Phos :) 325 DavidK 22-Mar-18 22:50
Re: Let there be Phos :) 372 magisterchessmutt 27-Mar-18 21:19
Re: Let there be Phos :) 357 DavidK 07-Apr-18 20:01


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