When someone makes a comment on an old entry, generally no one knows about it but us. We hope to update the blog so that recent comments appear on the front page but that functionality doesn’t exist at this time. This is a fairly detailed explanation of one’s persons hypothesis about the usage of the Dodecahedron. The original article is here.
“In my website dodecaeder.nl yoy wil find a new theory for the use of the dodecahedron, together with experimental support. Shortly summarized, my new theory can be described as followed: the dodecahedron was an astronomic measuring instrument with which the angle of the sunlight can be measured and thereby one specific date in springtime, and one date in the autumn can be determined with accuracy.
The dates that can be measured were probably of importance for the agriculture. The sowing date of winter grain is important for the achievement of optimal produce. Therefore I anticipate that the dodecahedron would only be used in autumn time.
The functioning of the dodecahedron as a measuring device is based on the angle of the sun on the highest point of the day. In a calendar year, the earth travels completely around the sun (365 Â¼ day).
The angle of the earth opposite the sun changes during the year in a sinus rhythm. The sun gets to the highest position around June 21, when the sun reaches the tropic of Cancer (degree of latitude N 23Â°.27?) and the lowest point will be reached around December 22, when the sun reaches the tropic of Capricorn. (degree of latitude Z 23Â°.27?).
The vernal equinoctial point and the autumnal equinoctial point are at respectively March 21 and September 23, when the sun has reached the level of the equator. The angle which the sunlight makes with the earth is subjected to the degree of latitude where one is.
As an example, take the city of Maastricht, located at N 50Â°.52?. At March 12 and September 23, the largest angle which the sunlight makes with the earth in Maastricht, is 90Â° – 50Â°.52? = 39Â°.08?. On June 21, it is 90Â° – (50Â°.52?-23Â°.27?) = 62Â°.35? and on December 22, it is 90Â° – (50Â°.52?+23Â°.27?) = 16Â°.41?.
When one is able to determine the angle which the sunlight makes with earth, one is actually measuring the date quite accurately. According to my hypotheses, the use of the dodecahedron is based on this knowledge.”
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