Dictionary term
Ephemeris
Direct answer
Ephemeris: An Ephemeris is a table or data source showing planetary positions over time. Astrologers use it to calculate natal charts, transits, returns, and historical sky conditions.
An Ephemeris lists planetary positions by date and time.
- Source
- The Great Almanac Dictionary
- Category
- Astrology
- Also appears in
- Astrology
- Aliases
- planetary table
- Last updated
- 2026-07-15
Quick reference
- Use when
- Use Ephemeris when explaining planetary positions, transit timing, retrograde dates, ingresses, returns, and verification of chart calculations.
- Do not use it for
- Do not interpret from an ephemeris without time zone, zodiac system, and calculation context.
- Reference category
- Astrology
- Related terms
- Birth Chart, Ascendant, House Ruler, Planetary Position
The story behind Ephemeris
Ephemerides have been essential to astronomy and astrology for centuries and are now often embedded inside software.
Ephemeris in spiritual tradition
Spiritually, Ephemeris keeps symbolic interpretation accountable to actual sky calculation.
The Great Almanac frames Ephemeris with educational restraint. Mystical or symbolic language may be meaningful, but it should not be exaggerated into certainty, panic, or permission to ignore ordinary responsibility.
Ephemeris in the Bible
In biblical history, celestial bodies are understood as markers of "signs and seasons" within the created order, rather than independent powers or arbiters of destiny. A thoughtful biblical perspective values the beauty of the stars while drawing a clear line between symbolic reflection and the ultimate authority of God, prayer, conscience, and wise counsel. This ensures that personal discernment always takes precedence over planetary placements.
Ephemeris in astrology
An ephemeris usually lists zodiac longitude, latitude, declination, speed, stations, retrogrades, and sometimes house or asteroid data depending on the source.
Why Ephemeris matters
Ephemeris matters because interpretation depends on accurate sky positions. Before software, astrologers relied on ephemerides to know where planets were and when aspects became exact.
Example in a reading: To find a Saturn return, an astrologer checks when transiting Saturn returns to the natal Saturn degree in the ephemeris.
Interpretive caution: Do not interpret from an ephemeris without time zone, zodiac system, and calculation context.
How Ephemeris is used in a reading
Use Ephemeris when explaining planetary positions, transit timing, retrograde dates, ingresses, returns, and verification of chart calculations.
Where interpretation stops
Ephemeris is shared here as an educational reference to support study, contemplation, and personal discernment. It is designed to inspire self-reflection but is never a substitute for professional medical, legal, financial, or personal advice. By treating mystical traditions as rich symbolic languages rather than absolute rules, we focus on fostering wisdom, clarity, and personal responsibility.
Sources and editorial method
This concise reference separates established definitions from historical, symbolic, or interpretive claims. Entries without external references are presented as editorial summaries rather than primary-source scholarship.
The page starts with a direct definition, then separates use, example, caution, spiritual meaning, and historical context. For astrology, occult, demonology, curse, and spiritual warfare terms, the editorial rule is to explain the term without making fear-based, fatalistic, medical, legal, financial, or ritual-instruction claims.
Personalized next step
See how Ephemeris connects to your own birth chart, numerology, spiritual timing, and personal almanac.
Cast your natal chartRelated terms
These related entries help place Ephemeris inside a wider reference cluster instead of leaving it as a standalone keyword.

