This hyleg calculation uses rulerships and all other options specified in the 1st definition in the HYLEG.ALM file - these may be edited by the user, but by default these are as follows:

•Traditional rulerships

•Dorothean Triplicities

•Egyptian Terms

•Signs start at 0 degrees

•Default houses

•8,5,3 degree house cusp offsets (for angular, succedant, cadent houses)

•Different Day/Night Part of Fortune

•5 points for rulerships

•4 points for exaltations

•3 points for (each of the three) triplicity rulers

•2 points for term ruler

•0 point for face ruler (i.e. face will not be used in this calculation)

•No points for any other items

•Degree Dignities

•Applies to both Diurnal and Nocturnal charts

 

1.Check if Sun is in 1st, 10th or 11th houses (apply house cusp offsets specified in HYLEG.ALM). If so, then the Sun is the Hyleg. If not, then go to the next step.

2.Check if Sun is in 7th, 8th or 9th house, and is also in a masculine sign. If so, then the Sun is the Hyleg. If not, then go to the next step.

3.Check if Moon is in a feminine sign and not in a cadent house. If so, then the Moon is the Hyleg. If not, then go to the next step.

4.Check if chart is conjunctional (i.e. Moon is waxing). If so, then check if any of the 5 rulers of the Ascendant's position are forming an aspect to the Ascendant. Check each of the following rulers which have a non-zero score in HYLEG.ALM: Domicile ruler, Exaltation, Triplicity in Sect, Triplicity out of Sect, Triplicity participating, Term, Face. If any one or more make an aspect (according to aspects and orbs specified within HYLEG.ASP), then the Ascendant is the Hyleg. If not, go to next step.

5.Check if chart is conjunctional (i.e. Moon is waxing). If so, then check for aspecting rulers of the Part of Fortune's position as described in step 4. If any make an aspect, then the Part of Fortune is the Hyleg. If not go to the next step.

6.Check if chart is conjunctional (i.e. Moon is waxing), and find the position of the Conjunctional Moon (i.e. preceding NEW Moon's position = NM). If so, then check for aspecting rulers of the NM's position as described in step 4. If any make an aspect, then the NM's position is the Hyleg. If not go to the next step.

7.Check if chart is preventional (i.e. Moon is waning). If so, then check for aspecting rulers of the Part of Fortune's position as described in step 4. If any make an aspect, then the Part of Fortune is the Hyleg. If not go to the next step.

8.Check if chart is preventional (i.e. Moon is waning). If so, then check for aspecting rulers of the Ascendant's position as described in step 4. If any make an aspect, then the Ascendant is the Hyleg. If not go to the next step.

9.Check if chart is preventional (i.e. Moon is waning), and find the position of the Preventional Moon (i.e. preceding Full Moon's position = FM). If so, then check for aspecting rulers of the FM's position as described in step 4. If any make an aspect, then the FM's position is the Hyleg. If not go to the next step.

10.If the Hyleg has not been found in any of the previous steps, then the chart is deemed to have no Hyleg.

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