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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 :) 2149 magisterchessmutt 16-Dec-17 03:08
Re: Let there be Phos :) 188 magisterchessmutt 16-Dec-17 14:12
Re: Let there be Phos :) 222 drew 17-Dec-17 02:30
Re: Let there be Phos :) 135 magisterchessmutt 17-Dec-17 14:17
Re: Let there be Phos :) 174 Sirfiroth 17-Dec-17 21:38
Re: Let there be Phos :) 170 magisterchessmutt 17-Dec-17 22:29
Re: Let there be Phos :) 218 Horatech 18-Dec-17 06:12
Re: Let there be Phos :) 147 magisterchessmutt 18-Dec-17 14:03
Re: Let there be Phos :) 188 Horatech 18-Dec-17 23:27
Re: Let there be Phos :) 166 magisterchessmutt 19-Dec-17 02:49
Re: Let there be Phos :) 173 molder 19-Dec-17 05:00
Re: Let there be Phos :) 148 Horatech 19-Dec-17 06:19
Re: Let there be Phos :) 173 magisterchessmutt 19-Dec-17 06:25
Re: Let there be Phos :) 159 molder 19-Dec-17 07:11
Re: Let there be Phos :) 221 magisterchessmutt 19-Dec-17 11:56
Re: Let there be Phos :) 163 Sirfiroth 19-Dec-17 19:32
Re: Let there be Phos :) 198 magisterchessmutt 20-Dec-17 03:00
Re: Let there be Phos :) 142 Sirfiroth 20-Dec-17 16:03
Re: Let there be Phos :) 157 magisterchessmutt 21-Dec-17 06:22
Re: Let there be Phos :) 145 molder 19-Dec-17 22:08
Re: Let there be Phos :) 158 magisterchessmutt 20-Dec-17 02:08
Re: Let there be Phos :) 170 molder 20-Dec-17 20:57
Re: Let there be Phos :) 169 magisterchessmutt 22-Dec-17 02:33
Re: Let there be Phos :) 145 magisterchessmutt 22-Dec-17 04:23
Re: Let there be Phos :) 168 mmstud 22-Dec-17 08:12
Re: Let there be Phos :) 192 magisterchessmutt 22-Dec-17 10:44
Re: Let there be Phos :) 161 mmstud 22-Dec-17 12:26
Re: Let there be Phos :) 217 magisterchessmutt 23-Dec-17 00:47
Re: Let there be Phos :) 222 magisterchessmutt 24-Dec-17 15:20
Re: Let there be Phos :) 222 magisterchessmutt 24-Dec-17 04:07
Re: Let there be Phos :) 173 drew 18-Dec-17 00:51
Re: Let there be Phos :) 170 magisterchessmutt 18-Dec-17 02:11
Re: Let there be Phos :) 242 mmstud 22-Dec-17 14:44
Re: Let there be Phos :)Doubling a cube 205 molder 22-Dec-17 21:21
Re: Let there be Phos :)Doubling a cube 219 molder 23-Dec-17 22:27
Re: Let there be Phos :)Doubling a cube 186 magisterchessmutt 24-Dec-17 01:55
Re: Let there be Phos :)Doubling a cube 188 magisterchessmutt 26-Dec-17 14:53
Re: Let there be Phos :)Doubling a cube 156 molder 26-Dec-17 21:51
Re: Let there be Phos :)Doubling a cube 150 magisterchessmutt 27-Dec-17 03:36
Re: Let there be Phos :)Doubling a cube 140 molder 27-Dec-17 05:02
Re: Let there be Phos :)Doubling a cube 192 magisterchessmutt 27-Dec-17 11:07
Re: Let there be Phos :)Doubling a cube 145 rodz111 29-Dec-17 22:44
Re: Let there be Phos :)Doubling a cube 128 Sirfiroth 28-Dec-17 18:28
Re: Let there be Phos :)Doubling a cube 152 DavidK 28-Dec-17 19:33
Re: Let there be Phos :)Doubling a cube 165 magisterchessmutt 29-Dec-17 02:42
Re: Let there be Phos :)Doubling a cube 213 Sirfiroth 29-Dec-17 14:27
Re: Let there be Phos :)Doubling a cube 149 DavidK 29-Dec-17 15:05
Re: Let there be Phos :)Doubling a cube 161 magisterchessmutt 29-Dec-17 01:37
Re: Let there be Phos :)Doubling a cube 193 DavidK 29-Dec-17 01:52
Re: Let there be Phos :)Doubling a cube 257 magisterchessmutt 29-Dec-17 03:04
Re: Let there be Phos :)Doubling a cube 144 molder 31-Dec-17 22:57
Re: Let there be Phos :) 216 cladking 28-Dec-17 20:36
Re: Let there be Phos :) 167 magisterchessmutt 29-Dec-17 01:47
Re: Let there be Phos :) 156 cladking 29-Dec-17 02:06
Re: Let there be Phos :) 174 cladking 29-Dec-17 23:02
Re: Let there be Phos :) 225 DavidK 29-Dec-17 10:51
Re: Let there be Phos :) Lunar Target Practice 162 magisterchessmutt 30-Dec-17 03:24
Re: Let there be Phos :) 184 DavidK 29-Dec-17 15:22
Re: Let there be Phos :) 185 magisterchessmutt 30-Dec-17 04:28
Re: Let there be Phos :) 210 DavidK 30-Dec-17 15:56
Re: Let there be Phos :) 144 magisterchessmutt 31-Dec-17 05:32
Re: Let there be Phos :) 201 DavidK 31-Dec-17 10:28
Re: Let there be Phos :) 155 magisterchessmutt 31-Dec-17 12:18
Re: Let there be Phos :) Lunar Reflections 176 magisterchessmutt 01-Jan-18 11:07
Re: Let there be Phos :) Lunar Reflections 166 DavidK 01-Jan-18 11:40
Re: Let there be Phos :) Lunar Reflections 154 magisterchessmutt 01-Jan-18 13:00
Re: Let there be Phos :) Lunar Reflections 154 DavidK 01-Jan-18 13:39
Re: Let there be Phos :) Lunar Reflections 165 magisterchessmutt 02-Jan-18 04:12
Re: Let there be Phos :) Lunar Reflections 188 DavidK 02-Jan-18 09:34
Re: Let there be Phos :) Lunar Reflections 156 magisterchessmutt 02-Jan-18 12:30
Re: Let there be Phos :) Lunar Reflections 226 DavidK 02-Jan-18 13:20
Re: Let there be Phos :) Lunar Reflections 166 magisterchessmutt 03-Jan-18 03:57
Re: Let there be Phos :) Lunar Reflections 126 molder 03-Jan-18 06:00
Re: Let there be Phos :) Lunar Reflections 135 magisterchessmutt 03-Jan-18 07:04
Re: Let there be Phos :) Lunar Reflections 223 molder 03-Jan-18 08:47
Re:A Canonical alternative 161 cloister 03-Jan-18 10:14
Re: Re:A Canonical alternative 146 magisterchessmutt 03-Jan-18 11:16
Re: Re:A Canonical alternative 143 molder 03-Jan-18 11:46
Re: Re:A Canonical alternative 137 magisterchessmutt 03-Jan-18 12:18
Re: Re:A Canonical alternative 153 molder 03-Jan-18 12:34
Re: Re:A Canonical alternative 139 magisterchessmutt 03-Jan-18 13:19
Re: Re:A Canonical alternative 142 cloister 03-Jan-18 15:20
Re: Re:A Canonical alternative 137 magisterchessmutt 03-Jan-18 16:55
Re: Re:A Canonical alternative 205 cloister 05-Jan-18 17:23
Re: Re:A Canonical alternative 134 Origyptian 06-Jan-18 18:14
Re: Re:A Canonical alternative 150 magisterchessmutt 08-Jan-18 04:45
Re: Re:A Canonical alternative 192 cloister 08-Jan-18 11:25
Re: Re:A Canonical alternative 173 DavidK 03-Jan-18 15:37
Re: Re:A Canonical alternative 136 magisterchessmutt 03-Jan-18 17:31
Re: Re:A Canonical alternative 197 DavidK 03-Jan-18 18:54
Re: Re:A Canonical alternative 142 magisterchessmutt 04-Jan-18 03:04
Re: Re:A Canonical alternative 197 DavidK 04-Jan-18 09:55
Re: Re:A Canonical alternative 95 magisterchessmutt 04-Jan-18 11:20
Re: Re:A Canonical alternative 147 DavidK 04-Jan-18 11:55
Re: Re:A Canonical alternative 225 magisterchessmutt 04-Jan-18 12:13
Re: Re:A Canonical alternative 167 Sirfiroth 07-Jan-18 00:00
Re: Re:A Canonical alternative 170 magisterchessmutt 07-Jan-18 00:46
Re: Re:A Canonical alternative 141 magisterchessmutt 07-Jan-18 07:41
Re: Re:A Canonical alternative 182 cloister 07-Jan-18 09:07
Re: Let there be Phos :) 143 magisterchessmutt 07-Jan-18 16:12
Re: Let there be Phos :) 193 DavidK 07-Jan-18 18:28
Re: Let there be Phos :) 153 magisterchessmutt 07-Jan-18 22:43
Re: Let there be Phos :) 182 DavidK 07-Jan-18 23:09
Re: Let there be Phos :) 153 DavidK 07-Jan-18 23:53
Re: Let there be Phos :) 158 magisterchessmutt 08-Jan-18 03:37
Re: Let there be Phos :) 151 magisterchessmutt 08-Jan-18 04:05
Re: Let there be Phos :) 167 DavidK 08-Jan-18 08:25
Re: Let there be Phos :) 138 magisterchessmutt 08-Jan-18 10:28
Re: Let there be Phos :) 177 DavidK 08-Jan-18 10:59
Re: Let there be Phos :) 126 DavidK 08-Jan-18 11:17
Re: Let there be Phos :) 139 magisterchessmutt 08-Jan-18 12:35
Re: Let there be Phos :) 146 DavidK 08-Jan-18 17:45
Re: Let there be Phos :) 128 DavidK 08-Jan-18 19:43
Re: Let there be Phos :) 188 magisterchessmutt 09-Jan-18 03:46
Re: Let there be Phos :) 148 DavidK 09-Jan-18 18:21
Re: Let there be Phos :) The Scottish mile 153 molder 10-Jan-18 13:33
Re: Let there be Phos :) The Scottish mile 119 molder 10-Jan-18 13:57
Re: Let there be Phos :) The Scottish mile 128 DavidK 10-Jan-18 15:07
Re: Let there be Phos :) 111 DavidK 10-Jan-18 16:38
Re: Let there be Phos :) 134 DavidK 10-Jan-18 16:46
Re: Let there be Phos :) 156 DavidK 10-Jan-18 21:18
Re: Let there be Phos :) 132 molder 11-Jan-18 21:54
Re: Let there be Phos :) 147 magisterchessmutt 12-Jan-18 10:29
Re: Let there be Phos :) 132 DavidK 12-Jan-18 11:17
Re: Let there be Phos :) 112 DavidK 12-Jan-18 10:40
Re: Let there be Phos :) 109 magisterchessmutt 12-Jan-18 12:01
Re: Let there be Phos :) 157 DavidK 12-Jan-18 13:06
Re: Let there be Phos :) 118 DavidK 12-Jan-18 12:06
Re: Let there be Phos :) 133 magisterchessmutt 12-Jan-18 12:25
Re: Let there be Phos :) 176 DavidK 12-Jan-18 14:16
Re: Let there be Phos :) 136 magisterchessmutt 13-Jan-18 11:34
Re: Let there be Phos :) 124 DavidK 13-Jan-18 12:04
Re: Let there be Phos :) 132 magisterchessmutt 13-Jan-18 12:31
Re: Let there be Phos :) 201 DavidK 13-Jan-18 12:47
Let there be Phos at the GP 214 DavidK 17-Jan-18 15:13
Re: Let there be Phos :) 125 DavidK 22-Mar-18 22:50
Re: Let there be Phos :) 162 magisterchessmutt 27-Mar-18 21:19
Re: Let there be Phos :) 170 DavidK 07-Apr-18 20:01


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