UmbrielAstrology

Signs commanding and obeying

Signs that command and signs that obey. The zodiac has a pecking order.

Ptolemy, about 150 AD, in J. M. Ashmand's English of 1822. A one-breath read · page 39 · free, every word

[p. 39] Any two signs configurated with each other at an equal distance from the same, or from either equinoctial point, are termed commanding and obeying, because the ascensional and descensional times of the one are equal to those of the other, and both describe equal parallels.

The signs in the summer semicircle are commanding; those in the winter semicircle, obeying: for, when the Sun is present in the former, he makes the day longer than the night; and, when in the latter, he produces the contrary effect.

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The text is J. M. Ashmand's 1822 translation, checked word by word between two scans of the 1822 printing (Wellcome Library and Harvard). Pages are cited as the 1822 printing numbers them. The portrait is William Marshall’s engraving of Lilly from the front of the 1659 printing (Wellcome Library, public domain).

Updated 30 October 2026. Method: Umbriel's own astronomy engine computes every position stated on this site; how closely it matches NASA JPL Horizons is published on the accuracy page.