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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 :) 2440 magisterchessmutt 16-Dec-17 03:08
Re: Let there be Phos :) 303 magisterchessmutt 16-Dec-17 14:12
Re: Let there be Phos :) 340 drew 17-Dec-17 02:30
Re: Let there be Phos :) 226 magisterchessmutt 17-Dec-17 14:17
Re: Let there be Phos :) 311 Sirfiroth 17-Dec-17 21:38
Re: Let there be Phos :) 265 magisterchessmutt 17-Dec-17 22:29
Re: Let there be Phos :) 325 Horatech 18-Dec-17 06:12
Re: Let there be Phos :) 232 magisterchessmutt 18-Dec-17 14:03
Re: Let there be Phos :) 329 Horatech 18-Dec-17 23:27
Re: Let there be Phos :) 261 magisterchessmutt 19-Dec-17 02:49
Re: Let there be Phos :) 252 molder 19-Dec-17 05:00
Re: Let there be Phos :) 255 Horatech 19-Dec-17 06:19
Re: Let there be Phos :) 259 magisterchessmutt 19-Dec-17 06:25
Re: Let there be Phos :) 250 molder 19-Dec-17 07:11
Re: Let there be Phos :) 321 magisterchessmutt 19-Dec-17 11:56
Re: Let there be Phos :) 242 Sirfiroth 19-Dec-17 19:32
Re: Let there be Phos :) 304 magisterchessmutt 20-Dec-17 03:00
Re: Let there be Phos :) 221 Sirfiroth 20-Dec-17 16:03
Re: Let there be Phos :) 247 magisterchessmutt 21-Dec-17 06:22
Re: Let there be Phos :) 223 molder 19-Dec-17 22:08
Re: Let there be Phos :) 239 magisterchessmutt 20-Dec-17 02:08
Re: Let there be Phos :) 249 molder 20-Dec-17 20:57
Re: Let there be Phos :) 275 magisterchessmutt 22-Dec-17 02:33
Re: Let there be Phos :) 242 magisterchessmutt 22-Dec-17 04:23
Re: Let there be Phos :) 251 mmstud 22-Dec-17 08:12
Re: Let there be Phos :) 277 magisterchessmutt 22-Dec-17 10:44
Re: Let there be Phos :) 244 mmstud 22-Dec-17 12:26
Re: Let there be Phos :) 333 magisterchessmutt 23-Dec-17 00:47
Re: Let there be Phos :) 330 magisterchessmutt 24-Dec-17 15:20
Re: Let there be Phos :) 326 magisterchessmutt 24-Dec-17 04:07
Re: Let there be Phos :) 268 drew 18-Dec-17 00:51
Re: Let there be Phos :) 255 magisterchessmutt 18-Dec-17 02:11
Re: Let there be Phos :) 348 mmstud 22-Dec-17 14:44
Re: Let there be Phos :)Doubling a cube 329 molder 22-Dec-17 21:21
Re: Let there be Phos :)Doubling a cube 364 molder 23-Dec-17 22:27
Re: Let there be Phos :)Doubling a cube 297 magisterchessmutt 24-Dec-17 01:55
Re: Let there be Phos :)Doubling a cube 300 magisterchessmutt 26-Dec-17 14:53
Re: Let there be Phos :)Doubling a cube 241 molder 26-Dec-17 21:51
Re: Let there be Phos :)Doubling a cube 253 magisterchessmutt 27-Dec-17 03:36
Re: Let there be Phos :)Doubling a cube 222 molder 27-Dec-17 05:02
Re: Let there be Phos :)Doubling a cube 293 magisterchessmutt 27-Dec-17 11:07
Re: Let there be Phos :)Doubling a cube 269 rodz111 29-Dec-17 22:44
Re: Let there be Phos :)Doubling a cube 216 Sirfiroth 28-Dec-17 18:28
Re: Let there be Phos :)Doubling a cube 280 DavidK 28-Dec-17 19:33
Re: Let there be Phos :)Doubling a cube 278 magisterchessmutt 29-Dec-17 02:42
Re: Let there be Phos :)Doubling a cube 329 Sirfiroth 29-Dec-17 14:27
Re: Let there be Phos :)Doubling a cube 281 DavidK 29-Dec-17 15:05
Re: Let there be Phos :)Doubling a cube 283 magisterchessmutt 29-Dec-17 01:37
Re: Let there be Phos :)Doubling a cube 335 DavidK 29-Dec-17 01:52
Re: Let there be Phos :)Doubling a cube 403 magisterchessmutt 29-Dec-17 03:04
Re: Let there be Phos :)Doubling a cube 219 molder 31-Dec-17 22:57
Re: Let there be Phos :) 315 cladking 28-Dec-17 20:36
Re: Let there be Phos :) 280 magisterchessmutt 29-Dec-17 01:47
Re: Let there be Phos :) 266 cladking 29-Dec-17 02:06
Re: Let there be Phos :) 262 cladking 29-Dec-17 23:02
Re: Let there be Phos :) 365 DavidK 29-Dec-17 10:51
Re: Let there be Phos :) Lunar Target Practice 280 magisterchessmutt 30-Dec-17 03:24
Re: Let there be Phos :) 320 DavidK 29-Dec-17 15:22
Re: Let there be Phos :) 299 magisterchessmutt 30-Dec-17 04:28
Re: Let there be Phos :) 347 DavidK 30-Dec-17 15:56
Re: Let there be Phos :) 249 magisterchessmutt 31-Dec-17 05:32
Re: Let there be Phos :) 340 DavidK 31-Dec-17 10:28
Re: Let there be Phos :) 286 magisterchessmutt 31-Dec-17 12:18
Re: Let there be Phos :) Lunar Reflections 318 magisterchessmutt 01-Jan-18 11:07
Re: Let there be Phos :) Lunar Reflections 302 DavidK 01-Jan-18 11:40
Re: Let there be Phos :) Lunar Reflections 288 magisterchessmutt 01-Jan-18 13:00
Re: Let there be Phos :) Lunar Reflections 291 DavidK 01-Jan-18 13:39
Re: Let there be Phos :) Lunar Reflections 276 magisterchessmutt 02-Jan-18 04:12
Re: Let there be Phos :) Lunar Reflections 310 DavidK 02-Jan-18 09:34
Re: Let there be Phos :) Lunar Reflections 246 magisterchessmutt 02-Jan-18 12:30
Re: Let there be Phos :) Lunar Reflections 353 DavidK 02-Jan-18 13:20
Re: Let there be Phos :) Lunar Reflections 251 magisterchessmutt 03-Jan-18 03:57
Re: Let there be Phos :) Lunar Reflections 206 molder 03-Jan-18 06:00
Re: Let there be Phos :) Lunar Reflections 213 magisterchessmutt 03-Jan-18 07:04
Re: Let there be Phos :) Lunar Reflections 344 molder 03-Jan-18 08:47
Re:A Canonical alternative 276 cloister 03-Jan-18 10:14
Re: Re:A Canonical alternative 224 magisterchessmutt 03-Jan-18 11:16
Re: Re:A Canonical alternative 224 molder 03-Jan-18 11:46
Re: Re:A Canonical alternative 213 magisterchessmutt 03-Jan-18 12:18
Re: Re:A Canonical alternative 240 molder 03-Jan-18 12:34
Re: Re:A Canonical alternative 223 magisterchessmutt 03-Jan-18 13:19
Re: Re:A Canonical alternative 239 cloister 03-Jan-18 15:20
Re: Re:A Canonical alternative 226 magisterchessmutt 03-Jan-18 16:55
Re: Re:A Canonical alternative 324 cloister 05-Jan-18 17:23
Re: Re:A Canonical alternative 238 Origyptian 06-Jan-18 18:14
Re: Re:A Canonical alternative 230 magisterchessmutt 08-Jan-18 04:45
Re: Re:A Canonical alternative 293 cloister 08-Jan-18 11:25
Re: Re:A Canonical alternative 269 DavidK 03-Jan-18 15:37
Re: Re:A Canonical alternative 239 magisterchessmutt 03-Jan-18 17:31
Re: Re:A Canonical alternative 288 DavidK 03-Jan-18 18:54
Re: Re:A Canonical alternative 237 magisterchessmutt 04-Jan-18 03:04
Re: Re:A Canonical alternative 340 DavidK 04-Jan-18 09:55
Re: Re:A Canonical alternative 175 magisterchessmutt 04-Jan-18 11:20
Re: Re:A Canonical alternative 236 DavidK 04-Jan-18 11:55
Re: Re:A Canonical alternative 328 magisterchessmutt 04-Jan-18 12:13
Re: Re:A Canonical alternative 249 Sirfiroth 07-Jan-18 00:00
Re: Re:A Canonical alternative 284 magisterchessmutt 07-Jan-18 00:46
Re: Re:A Canonical alternative 228 magisterchessmutt 07-Jan-18 07:41
Re: Re:A Canonical alternative 292 cloister 07-Jan-18 09:07
Re: Let there be Phos :) 245 magisterchessmutt 07-Jan-18 16:12
Re: Let there be Phos :) 294 DavidK 07-Jan-18 18:28
Re: Let there be Phos :) 272 magisterchessmutt 07-Jan-18 22:43
Re: Let there be Phos :) 297 DavidK 07-Jan-18 23:09
Re: Let there be Phos :) 270 DavidK 07-Jan-18 23:53
Re: Let there be Phos :) 251 magisterchessmutt 08-Jan-18 03:37
Re: Let there be Phos :) 254 magisterchessmutt 08-Jan-18 04:05
Re: Let there be Phos :) 261 DavidK 08-Jan-18 08:25
Re: Let there be Phos :) 228 magisterchessmutt 08-Jan-18 10:28
Re: Let there be Phos :) 270 DavidK 08-Jan-18 10:59
Re: Let there be Phos :) 215 DavidK 08-Jan-18 11:17
Re: Let there be Phos :) 234 magisterchessmutt 08-Jan-18 12:35
Re: Let there be Phos :) 231 DavidK 08-Jan-18 17:45
Re: Let there be Phos :) 228 DavidK 08-Jan-18 19:43
Re: Let there be Phos :) 314 magisterchessmutt 09-Jan-18 03:46
Re: Let there be Phos :) 252 DavidK 09-Jan-18 18:21
Re: Let there be Phos :) The Scottish mile 261 molder 10-Jan-18 13:33
Re: Let there be Phos :) The Scottish mile 226 molder 10-Jan-18 13:57
Re: Let there be Phos :) The Scottish mile 214 DavidK 10-Jan-18 15:07
Re: Let there be Phos :) 190 DavidK 10-Jan-18 16:38
Re: Let there be Phos :) 227 DavidK 10-Jan-18 16:46
Re: Let there be Phos :) 253 DavidK 10-Jan-18 21:18
Re: Let there be Phos :) 234 molder 11-Jan-18 21:54
Re: Let there be Phos :) 237 magisterchessmutt 12-Jan-18 10:29
Re: Let there be Phos :) 209 DavidK 12-Jan-18 11:17
Re: Let there be Phos :) 188 DavidK 12-Jan-18 10:40
Re: Let there be Phos :) 201 magisterchessmutt 12-Jan-18 12:01
Re: Let there be Phos :) 229 DavidK 12-Jan-18 13:06
Re: Let there be Phos :) 209 DavidK 12-Jan-18 12:06
Re: Let there be Phos :) 222 magisterchessmutt 12-Jan-18 12:25
Re: Let there be Phos :) 272 DavidK 12-Jan-18 14:16
Re: Let there be Phos :) 231 magisterchessmutt 13-Jan-18 11:34
Re: Let there be Phos :) 192 DavidK 13-Jan-18 12:04
Re: Let there be Phos :) 235 magisterchessmutt 13-Jan-18 12:31
Re: Let there be Phos :) 314 DavidK 13-Jan-18 12:47
Let there be Phos at the GP 332 DavidK 17-Jan-18 15:13
Re: Let there be Phos :) 260 DavidK 22-Mar-18 22:50
Re: Let there be Phos :) 300 magisterchessmutt 27-Mar-18 21:19
Re: Let there be Phos :) 299 DavidK 07-Apr-18 20:01


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