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Astrology

Heliacal Setting

Direct answer

Heliacal Setting is the last visible setting of a star or planet before solar invisibility.

AstrologyThe Great Almanac DictionaryUpdated 2026-09-26

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At a glance

Found in
Astrology
Related
Birth Chart, Zodiac, Transit
Chart geometry · visual guide Heliacal Setting

Heliacal Setting means the last visible setting of a star or planet before solar invisibility.

A structural orientation; exact placements depend on the chart or technique being discussed.

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Why Heliacal Setting matters

Heliacal Setting matters because it marks a disappearance threshold in observational astronomy and traditional sky lore.

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Where readings of Heliacal Setting go wrong

The usual misreading is to treat heliacal setting as a personal omen without a clear method.

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Sources and editorial method

This entry summarizes the tradition in the Almanac's own words; where no source is listed, it is an editorial summary rather than a primary text, and symbolic readings are named as the tradition's, not as fact.

Source
The Great Almanac Dictionary
Category
Astrology
Last updated
2026-09-26
Birth ChartA Birth Chart is a personal astrology map built from birth date, time, and place. ZodiacThe Zodiac is the twelve-sign wheel used as astrology's core sign language. TransitTransit means current planetary movement activating a chart.

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Common questions

What is heliacal setting?

Heliacal Setting is the last visible setting of a star or planet before solar invisibility.

What does heliacal setting look like in a birth chart?

Heliacal Setting marks a disappearance threshold in observational astronomy and traditional sky lore.

What do people get wrong about heliacal setting?

The usual misreading is to treat heliacal setting as a personal omen without a clear method.

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The Almanac’s own library: twelve classic works on the stars, from Ptolemy and Manilius to Tara Mata.

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