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0xStarcat / CircularNatalHoroscopeJS

An ES6 library for many astrological chart calculations.
The Unlicense
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Discrepancy in House Assignments Compared to Established Astrological Data #44

Open vkas002 opened 9 months ago

vkas002 commented 9 months ago

Hello there,

I've been working with your Western astrology plugin, which I've found to be an invaluable resource for astrological data akin to that found in a birth chart. I've encountered a discrepancy that I hope the community can help me address.

The issue lies in the house assignments as shown in the Western Astrology Table (left side of the attached image). Comparing it to the data from a renowned astrology website (right side), I've noticed inconsistencies specifically in the houses. The plugin seems to assign house rulers based on sign rulership, but this leads to duplications such as Aquarius ruling the 9th house twice, Capricorn ruling the 8th house twice, and Virgo ruling the 4th house twice. This doesn't align with the conventional understanding where each house should have its unique sign ruler, even if a sign rules over two houses.

For instance, in the Placidus system, which both sources utilise, Aquarius is shown to rule the 9th house in both datasets, which is correct. However, the 11th house is ruled by Taurus according to the established data, whereas the plugin shows Taurus ruling the 11th and no sign ruling the 12th, which is an evident error.

There are several such examples where the house assignments don't match up, and I'm puzzled as to why this is happening. I've attached a screenshot to illustrate the discrepancies more clearly.

I'd greatly appreciate any insights or fixes you could offer to ensure accurate house assignments in the plugin. Thank you for your time and assistance!

Warm regards, Vikas

image_2024_01_12T14_17_27_941Z

seakkus commented 9 months ago

@ vkas002 did you figure out the source of the problem? I am seeing something similar.

programystic-dev commented 3 months ago

A late reply but for the future reference - if that helps - try to see the differences in the results when you change houseSystem to whole-sign / placidus. The site you are referring to uses placidus house system. You might be generating the Horoscope with the Origin set to whole-sign (or some other system). Also, make sure you are passing proper birth time (without some weird timezone shifts) - this influences the results as well.