Mundane Astrology: The Forgotten Branch

Why the 17th–18th century separation of astrology and astronomy was as much about power as science.

An illustrated diagram titled 'Schiathericum Microcosmicum' depicting a humanoid figure surrounded by celestial elements, with various labeled sections detailing astrological and anatomical correspondences.

The usual line is that in the 17th and 18th centuries, science matured, astrology was proven false, and astronomy was purified into a rational discipline. This is a half-truth. What really happened was a power grab.

From Babylon to the Renaissance, astrology and astronomy were one craft, both observation and interpretation. The same people who tracked planetary positions also timed coronations, military campaigns, harvest cycles, and trade voyages. Courts and empires relied on it because it worked in their own terms: it was a long-tested timing system for political, economic, and environmental events.

A colorful illustration depicting a fantastical scene with a large wheel at the center, surrounded by people interacting with various animals including a lion, peacock, and rooster. The characters are dressed in historical attire, engaged in different activities, with a landscape in the background.

When European imperial science institutions rose like the Royal Society in London (1660) and the Académie des Sciences in Paris (1666), their goal was to centralise all useful celestial knowledge for navigation, artillery, and colonial expansion. They didn’t fear the interpretive side of astrology. They already controlled it. What they needed was a public excuse to take it away from everyone else.

So they invented the idea that public-facing astrology was politically dangerous, irrational, or seditious and that it could “destabilise” governments.

In reality, this was the mechanism for cutting the public out of a working timing system. The useful data and methods were absorbed into astronomy for empire: ephemerides, eclipse cycles, planetary positions. The symbolic and cyclical interpretations were quietly folded into strategic planning under other names — market cycles, climate forecasting, political risk analysis.

The public saw astrology publicly discredited and reduced to trivial newspaper horoscopes. Behind the scenes, the core logic of mundane astrology kept operating inside state, military, and financial systems Astrology became a closed, internal language for those who ran it.

An illustration of a celestial globe surrounded by figures of two scholars, depicting astrological symbols and annotations in various languages.

What is Mundane Astrology?

The earliest recorded astrology is from Babylon (c. 2000 BCE) and it was actually mundane, not personal birth charts.

Mundane astrology is the branch of astrology that studies world affairs, the fortunes of nations, cities, and institutions. It’s the “horoscope” of political entities. Its origins are in Mesopotamia. Priests tracked planetary movements to predict harvests, wars, and the fate of kingdoms.

After that the Greeks adapted it. In Ptolemy’s Tetrabiblos (2nd century CE) he gave you a full guide for priestly predicting of political events and weather patterns from planetary cycles.

From there it travelled to Baghdad, Damascus, and Córdoba where it was translated by medieval Islamic astrologers who were refining mundane astrology for islamic rulers.

Even in renaissance Europe, they had court astrologers like John Dee in England who used mundane astrology to advise on imperial expansion and military campaigns.

Today it is still used in political analysis, economic forecasting, and in collective psychology studies.

Natal chart depicting the Jupiter-Saturn conjunction on May 28, 2000, at 12:04 PM in Washington, DC. The chart shows planetary positions in a circular format with zodiac signs and degrees.

Methods

Mundane astrology treats nations and events like entities with their own “birth charts”. Key techniques include:

National Charts
Casting a horoscope for the moment of a nation’s founding, constitution signing, or independence declaration.
Example: The “Sibley chart” (4 July 1776, late afternoon, Philadelphia) was published by British astrologer Ebenezer Sibley in 1787. This is the most used U.S. national chart today.

Ingress Charts
Tracking when the Sun or other planets enter cardinal signs (especially Aries), often used to predict the year ahead for a country.In 2020, Washington’s Aries ingress showed home-bound isolation and explosive state action — days later, lockdowns began.

Eclipse Analysis
Linking solar and lunar eclipses to political upheavals or natural disasters in regions they touch.

Planetary Cycles
Observing slow-moving planets (Jupiter, Saturn, Uranus, Neptune, Pluto) whose alignments often coincide with historic shifts.

Example: The Saturn–Pluto conjunction of January 2020 historically links with major restructurings and crises.

Astrocartography
Mapping where planetary lines fall on Earth to assess which regions are most influenced during certain alignments.

A world map displaying various global locations with lines connecting different points, indicating routes or regions of interest.

Astrology v Astronomy

The split between astrology and astronomy happened in the 17th–18th centuries. It is usually told as a neat scientific progress story: “we discovered the real physics of the heavens and left superstition behind.”

In reality, it was a political, institutional, and cultural separation tied to shifts in power, religion, and knowledge control.

Why is it called ‘Mundane’ Astrology?

In everyday English, “mundane” means ordinary or unremarkable.
But in astrology, it comes from the Latin mundus “world.” It literally means “world astrology”.

The modern meaning of “mundane” accidentally functions as camouflage: it discourages casual interest in a subject historically tied to kings, merchants, and military leaders.

In other words, “mundane astrology” is one of those historical phrases where a power-related knowledge system got rebranded because it was no longer meant for public use.

Pattern of deliberate minimisation

Compartmentalisation
Courts, military leaders and financiers continued to use forms of geopolitical forecasting privately, but without the public calling it astrology. It became “geopolitical analysis,” “economic cycles research,” or “long-range weather prediction,” depending on context.

Public distraction
Pop astrology was promoted, focus on your personal sun sign columns from the 1930s onwards made astrology synonymous with entertainment and superstitions.

Astro-meteorology → climate forecasting; astrological cycles → Kondratiev waves in economics

Some economic historians and astrologers have mapped Kondratiev cycles to:

  • Jupiter–Saturn conjunction cycle (~20 years) and its triple (~60 years) pattern.
  • Uranus–Neptune synodic cycle (~171 years) for major socio-economic paradigm shifts.

Example patterns:

  • 1780s–1840s (Industrial Revolution) → triple Jupiter–Saturn cycle.
  • 1840s–1890s (Railway/Steel wave) → matches next ~60-year arc.
  • 1890s–1950s (Electricity/Mass production wave) → next arc.
  • 1950s–2010s (Information age wave) → another ~60-year pattern.

Control access to archives — Royal and state records of mundane astrology forecasts are rarely open to public inspection.

A night-time view of Earth showing illuminated cities and regions across the globe.

The result is that the average person sees “mundane astrology” and thinks “tabloid horoscopes about everyday life,” not “a historic tool for timing wars, trade, and empire.”

OK. Lets give it a go…

[Upcoming Full Moon — 7 September 2025

  • A Full Moon, also a total lunar eclipse (“Blood Moon”), will occur on 7 September 2025.
  • Traditionally called the Corn Moon, this harvest-tide lunation often coincided with communal reckonings over pulse crops, grain storage, and survival planning.
  • In mundane astrology terms, eclipses amplify the symbolism of revelation and collective exposure of deep structures and strategies momentarily revealed under the lunar shadow.

Saturn Retrograde in Pisces — Ends Late November

  • Saturn entered retrograde in July 2025 via Aries, then backed into Pisces by September 1.
  • It continues its retrograde within Pisces until approximately 27–28 November 2025.

Cultural Poignance

  • Saturn’s shift from retrograde to direct at the end of November signals a return to forward-moving authority and new institutions reasserting themselves after a long season of introspection, boundary-testing, and moral recalibration.
  • Be on high alert for propaganda. The danger is that retrograde acts as the “market research” phase for elites as they watch how far they can bend narratives without breaking consent and direct motion is when they lock in the gains.]

hmmm

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