Silbury Hill Sunset Azimuth on 1. September 3500BC vs 2024AD has difference of 16 degrees #4017
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Silbury Hill Sunset Azimuth on 1. September 3500BC is 299.8. From which year Stellarium works properly? |
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Replies: 2 comments 2 replies
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There was no day called September 1, 3500BC for people living in 3500BC, so the problem was not relevant for them. As we all know (do we?), before the Gregorian reform the Calendar was a mess. This is why we use the Gregorian calendar today. Read Appendix F in the User Guide for more information. |
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To be precise, this date comparison at this location is permitted after September 1752 only, i.e. 1753AD September 1 was the earliest date to compare to, historically. |
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The Gregorian Calendar was introduced on October 15, 1582, which was October 5, 1582, in Julian Calendar. |
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Silbury Hill is in England. Please investigate the date of introduction of the New Calendar in Great Britain. |
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There was no day called September 1, 3500BC for people living in 3500BC, so the problem was not relevant for them.
As we all know (do we?), before the Gregorian reform the Calendar was a mess. This is why we use the Gregorian calendar today. Read Appendix F in the User Guide for more information.