
Astrologer and author Doctor H joins host Jenn Zahrt this week! Tune in for an immersive episode covering books, chart rectification and more, including: Babylonian cuneiform tablets; studying systems of time; and solar returns and primary directions. Plus: Medieval predictive astrology, price and time as mathematical constants, and the importance of reading widely!
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Transcripts available upon request.
Song “Wake Up” used with permission by The E-Block Band.
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Episode timestamps (conversation recorded June 2025):
00:12 – Doctor H completed Robert Zoller’s Diploma in Medieval Predictive Astrology in March 2025 and maintains a full-time practice with a handful of clients. Surplus time is dedicated to research on the efficacy of recently recovered traditional astrological techniques.
04:58 – Doctor H doesn’t recall his very first astrology book, but Robert Zoller’s Diploma Course in Medieval Astrology had a huge impact!
10:02 – If Doctor H could bring only three books to a deserted island, his first pick would be Babylonian Mathematical Astronomy: Procedure Texts by Mathieu Ossendrijver.
20:10 – Interlude: Join the CAELi Support Drive and for only $35, you can enjoy your morning beverage out of a gorgeous CAELi mug!
20:56 – Doctor H’s second choice would be The Oxford Companion to the Year: An Exploration of Calendar Customs and Time-Reckoning by Bonnie Blackburn and Leofranc Holford-Strevens.
24:51 – The third title Doctor H would bring is Abu Ma’shar’s Persian Nativities IV: On the Revolutions of the Years of Nativities, translated and edited by Benjamin Dykes.
44:21 – For beginners, Doctor H recommends Introductions to Traditional Astrology: Abu Ma’shar & al-Qabisi which is translated and edited by Benjamin Dykes, The Four Temperaments: A Rediscovery of the Ancient Way of Understanding Health and Character by Randy Rolfe, and Fowler’s Practical Phrenology by Orson Squire Fowler.
49:13 – Find Doctor H at his website: https://www.regulus-astrology.com/.
50:06 – Thanks for listening to Within Orb! If you love the show, please help support it at no cost to you: Follow or subscribe wherever you listen, rate it five stars, or write a happy review! And if you’d like to become a CAELi member or support our work with a contribution of any amount, we’d be delighted – thanks!
Show notes and production by Jen Braun of JJ Boots Productions LLC.