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HOROI Project

@horoiproject

Dr. Levente László’s crowdfunded project: research on Hellenistic and Byzantine astrological texts and producing English translations

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20.01.2025
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Latest posts by HOROI Project @horoiproject

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Monthly Digest, February 2026 | HOROI Project Get more from HOROI Project on Patreon

I’ve posted the February digest. It summarizes new translation work (Theophilus, Dorotheus, Rhetorius, Abū Maʿshar), reflects on a negative result regarding supposed Dorothean material, and outlines the March plans, including a talk on zodiac and sign divisions.
www.patreon.com/posts/monthl...

03.03.2026 12:02 👍 2 🔁 1 💬 0 📌 0
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Q&A, February 2026 | HOROI Project Get more from HOROI Project on Patreon

The regular Q&A session is open until Friday. Any questions, including requests for second opinions and direct readings, are welcome.
www.patreon.com/posts/q-febr...

17.02.2026 09:28 👍 4 🔁 2 💬 0 📌 0
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Monthly Digest, January 2026 | HOROI Project Get more from HOROI Project on Patreon

The January digest of HOROI Project is now available. You'll find the highlights of the new translations (Rhetorius/Dorotheus, Valens, Abū Maʿshar), a summary of HOROI Talk #19 on the development of planetary significations, and what is expected in February.
www.patreon.com/posts/monthl...

02.02.2026 10:14 👍 0 🔁 0 💬 0 📌 0
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The Wild Sheep: The Planets from Babylon to Alexandria (talk #19) | HOROI Project Get more from HOROI Project on Patreon

The historical development of the astrological understanding of the planets is a long story. I've attempted to cover all its important aspects in HOROI Talk #19, a massive 4-hour lecture spanning from 3000 BCE to the present day. I hope you'll like it!
www.patreon.com/posts/wild-s...

27.01.2026 09:34 👍 1 🔁 0 💬 0 📌 0
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The Wild Sheep: The Planets from Babylon to Alexandria (HOROI Talk #19) | HOROI Project Get more from HOROI Project on Patreon

Details:
www.patreon.com/posts/wild-s...

19.01.2026 17:14 👍 2 🔁 1 💬 0 📌 0
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A HOROI Talk dedicated to the planets? See you on January 25!

19.01.2026 17:14 👍 4 🔁 2 💬 1 📌 0
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Valens on the nature of the planets | HOROI Project Get more from HOROI Project on Patreon

Maybe the zillionth translation, but I’m still happy I’ve done it
www.patreon.com/posts/valens...

16.01.2026 16:21 👍 8 🔁 2 💬 0 📌 0

Elemental theory is really a Procrustean bed for the planets

14.01.2026 11:56 👍 1 🔁 0 💬 0 📌 0
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An Explanation and Interpretation of All Astrology – V.1–7 | HOROI Project Get more from HOROI Project on Patreon

It took a bit more time than I’d expected, but Dorotheus’s nativities exemplifying success and failure as preserved in Māshāʾallāh’s surviving version are now available as the first installment of Rhetorius, Part V.
www.patreon.com/posts/explan...

12.01.2026 14:47 👍 5 🔁 1 💬 0 📌 0
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Monthly Digest, December 2025 | HOROI Project Get more from HOROI Project on Patreon

I’ve posted the December digest of the HOROI Project. Rather than merely summarizing results, it focuses on points where manuscript comparison raises methodological questions that could affect previously completed work.
www.patreon.com/posts/monthl...

31.12.2025 15:20 👍 0 🔁 0 💬 0 📌 0
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Monthly Digest, November 2025 | HOROI Project Get more from HOROI Project on Patreon

For more info, check out the monthly digest:
www.patreon.com/posts/monthl...

02.12.2025 09:10 👍 1 🔁 0 💬 0 📌 0
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Monthly Digest, November 2025 | HOROI Project Get more from HOROI Project on Patreon

November in retrospect:
- horary astro from Abū Maʿshar, 1st transcribed/translated
- Theophilus’s weather predictions from mss transcribed for the 1st time
- place division & longevity stuff from Rhetorius, party brand new
- a talk about the Moon’s roles in Hellenistic natal astro

02.12.2025 09:10 👍 4 🔁 0 💬 1 📌 0
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The Tales of the Moon, Part 2 (HOROI Talk #18) | HOROI Project Get more from HOROI Project on Patreon

- theories concerning lunar nodes and bendings
- the doctrine of lunar days, a predictive technique that employs the Moon’s positions on the 3rd, 7th, and 40th days after birth 3/3

More info: www.patreon.com/posts/tales-...

25.11.2025 10:41 👍 0 🔁 0 💬 0 📌 0
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The Tales of the Moon, Part 2 (HOROI Talk #18) | HOROI Project Get more from HOROI Project on Patreon

The topics to discuss:
- the astrological understanding of conception and the use of conception horoscopes in rectifying natal horoscopes
- ideas related to lunar phases and bonds, applications and separations
- the various roles of the prenatal and preconceptional lunation 2/3

25.11.2025 10:41 👍 0 🔁 0 💬 1 📌 0
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The Tales of the Moon, Part 2 (HOROI Talk #18) | HOROI Project Get more from HOROI Project on Patreon

HOROI Talk #17 focused on the Moon’s roles in various astrological traditions, except in Hellenistic natal astrology, a substantial subject in its own right. This very topic will be explored in HOROI Talk #18, scheduled for November 30. 1/3

25.11.2025 10:41 👍 0 🔁 0 💬 1 📌 0
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The Tales of the Moon, Part 1 (HOROI Talk #17) | HOROI Project Get more from HOROI Project on Patreon

For more info, visit www.patreon.com/posts/tales-...

21.10.2025 10:00 👍 3 🔁 0 💬 0 📌 1

In Part 1, which will be delivered on Sunday, October 26, at 5 pm GMT, I will talk about the roles of the Moon in observational astrologies, lunar “zodiacs,” Babylonian functions modeling the Moon’s motion, and non-horoscopic uses of the Moon in Hellenistic general and catarchic astrology.

21.10.2025 10:00 👍 4 🔁 1 💬 1 📌 0

Arguably, the Moon is the most important planet in most types of astrology. In the next HOROI Talk, “The Tales of the Moon,” I will cover the uses and historical development of lunar concepts and conditions. Due to the abundance of relevant material, this talk is split into two parts.

21.10.2025 10:00 👍 4 🔁 1 💬 1 📌 0
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Monthly Digest, September 2025 | HOROI Project Get more from HOROI Project on Patreon

For the whole monthly digest about HOROI Project activities in September, follow the link.
www.patreon.com/posts/monthl...

01.10.2025 12:10 👍 0 🔁 0 💬 0 📌 0

Significations of planets and other goodies from Abū Maʿshar, the survival and adoption of infants discussed by Rhetorius, natal and electional uses of some lunar mansions… these are only the texts translated for the first time.

01.10.2025 12:10 👍 3 🔁 0 💬 1 📌 0
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Important forthcoming volume. Astrologers at Work: Essays on the Practices and Techniques of Astrology in Memory of Helena Avelar.
brill.com/display/titl...

23.09.2025 12:07 👍 3 🔁 1 💬 1 📌 0
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Astrologers at Work "Astrologers at Work" published on 30 Oct 2025 by Brill.

Coming soon: "Astrologers at Work brings together fourteen scholars to explore the history of astrological practice, focusing on techniques, doctrines, and methods of interpretation across cultures and centuries."
brill.com/display/titl...

13.09.2025 08:58 👍 9 🔁 2 💬 0 📌 0
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The fragments of Nechepso and Petosiris A collection of Nechepso’s and Petosiris’s fragments in translation with minimal commentary

www.academia.edu/116757886/Th...

13.08.2025 19:19 👍 1 🔁 0 💬 0 📌 0
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Monthly Digest, July 2025 | HOROI Project Get more from HOROI Project on Patreon

In July, new translations from Abū Maʿshar, Dorotheus, Rhetorius, and Theophilus were produced. Find the monthly digest with a retrospect and the plans for August here:
www.patreon.com/posts/monthl...

31.07.2025 10:10 👍 4 🔁 0 💬 0 📌 0

I mean, the querent produces or forms

12.07.2025 16:34 👍 1 🔁 0 💬 0 📌 0

My take is that H5 represents "children" in the broadest sense, including non-animate roles like artwork. Everyone/everything the produces or forms.

12.07.2025 16:01 👍 1 🔁 0 💬 1 📌 0

1. H5, if the teacher is the querent (H1), and the teacher-students dynamics are being investigated.
2. No. Under normal circumstances, I wouldn't use natural significators for main roles in the question.

12.07.2025 15:03 👍 1 🔁 0 💬 1 📌 0

I wonder if there's a lucky corner on the planet where most of them aren't clowns and/or baboons.

11.07.2025 14:42 👍 1 🔁 0 💬 0 📌 0

I agree. Rhetorius conflated a number of sources, including the model of the poets of the Manethoniana and, I believe, Teucer on the barbarous sphere.

11.07.2025 14:40 👍 1 🔁 0 💬 0 📌 0

“If Mercury and Venus are in fall in their own or each other’s terms, they make imitators or politicians, especially in Capricorn due to the Ape’s co-rising.” (Rhetorius)

10.07.2025 15:12 👍 4 🔁 1 💬 1 📌 0