The Latin poet Manilius in the first century CE (Astronomica 2:693-787) gave them considerable importance. – https://www.loebclassics.com/view/LCL469/1977/pb_LCL469.liii.xml
https://heavenastrolabe.wordpress.com/2020/04/06/dodekatemoria-in-alfonso-deste-anonymous-horoscope/#more-7310 – https://heavenastrolabe.wordpress.com/2010/03/28/divisors-chronocrators-almutens-and-more-in-a-renaissance-geniture/
https://www.skyscript.co.uk/gl/dodekatemorion.html
Quote from – https://sevenstarsastrology.com/twelfth-parts-introducingdodecatemory-signs/ –
„The twelfth-parts produce a secondary zodiacal position for each planet and point in the chart. It is as if each point is projected into an additional hidden zodiacal position.
There are four main ways in which the twelfth-parts were used in Hellenistic astrology:
1. …
2. …
3. The twelfth-part of the Ascendant revealed thoughts/intentions;
4. Twelfth-part positions gave additional information about planetary significations that are on par with the natal positions of the planet.“
https://www.astro.com/astrowiki/en/Dodecatemoria –
https://en.wikipedia.org/wiki/Dodecatemoria
Astrodienst – https://www.astro.com/horoskope – Morinus Software – https://sites.google.com/site/tradmorinus/morinus
Dr. Benjamin Dykes explored the use of twelfth-parts in considerable depth in his translation of and commentary on Hermann of Carinthia’s “The Search of the Heart”.
Quote from https://sevenstarsastrology.com/twelfth-parts-introducingdodecatemory-signs/
„The primary use of this technique in medieval astrology was to anticipate a client’s area of concern. This usage appears to have started in Indian and/or Hellenistic use of consultation charts. This use of consultation charts preceded, and likely lead to, the development of horary astrology.“
Astroseek Chart – https://horoscopes.astro-seek.com/dodecatemoria-dwadasamsa-chart-astrology-online-calculator
Volker – https://talk.vonabisw.de/MHWebinars/5.pdf –