Dictionary term
Anomalistic Year
Direct answer
Anomalistic Year: An Anomalistic Year is the interval between successive passages of Earth through perihelion.
An Anomalistic Year measures perihelion-to-perihelion return.
An Anomalistic Year measures perihelion-to-perihelion return.
A cycle or timeline schematic for comparing the named timekeeping concept.Quick reference
- Use when
- Use Anomalistic Year in orbital mechanics and long-term studies of Earth-Sun distance cycles.
- Do not use it for
- Do not claim perihelion defines the start of a civil or meteorological season.
- Reference category
- Calendars & Timekeeping
- Related terms
- Sidereal Year, Draconic Year, Calendar, Julian Date
The Chapter · Mystery School
Learn to read the sky for yourself
A mystery school of astrology with a worldwide chapter: letters on the chart and the soul, readings under one sky, and a rule of honesty about what the stars can and cannot say.
- The founding letter, with what the school studies and how it meets
- First word each season, when the doors open
- A seat at the gatherings, wherever in the world you are
Reading about Anomalistic Year? The chapter is where readers like you meet.
Founding circle · forming now
The list costs nothing. Word of the school and its gatherings, nothing else. Unsubscribe at any time.
The story behind Anomalistic Year
The concept became precise after elliptical orbits and the moving line of apsides were understood.
Anomalistic Year in spiritual tradition
Spiritually, the anomalistic year reveals that even familiar annual return depends on the reference chosen.
Anomalistic Year: fact and faith, kept distinct
This is a factual calendar, astronomy, Earth-science, cultural-history, or observational reference. It can support wonder and practical planning without becoming a claim of fate, spiritual causation, or private revelation.
Anomalistic Year in numerology
Anomalistic Year is not a numerology claim. Any numbers attached to it should retain their ordinary scientific, calendrical, navigational, or historical meaning unless a separate symbolic interpretation is clearly labeled.
Why Anomalistic Year matters
Its length differs from tropical and sidereal years because the orientation of Earth elliptical orbit changes slowly.
Anomalistic Year at work: an example
The anomalistic year is about 365.2596 days, slightly longer than the sidereal year.
Where interpretation stops
Anomalistic Year is presented as sourced astronomy, calendrical, Earth-science, cultural, or instrument-history reference. Definitions should distinguish measured phenomena from civil convention and historical interpretation, preserve location and time dependencies, and avoid turning factual sky data into a deterministic personal claim.
Sources and editorial method
Research references used for this entry include:
- U.S. Naval Observatory: Astronomical Almanac Glossary - Reference definitions for astronomical periods, coordinates, dates, and time scales.
- NOAA Tides and Currents Glossary - Operational definitions for tides, tidal currents, ranges, datums, bores, and amphidromic systems.
- Source
- The Great Almanac Dictionary
- Category
- Calendars & Timekeeping
- Also appears in
- Calendars & Timekeeping
- Aliases
- None listed
- Last updated
- 2026-07-16
Track perihelion return
Anomalistic Year in a book is one thing; Anomalistic Year in your own birth chart is your life. The Oracle casts your real chart and tells you what it means for your love, your work, and your year ahead, in conversation, free.
Speak with the OracleRelated terms
More in Calendars & Timekeeping
- Calendar Month
- Dominical Letter
- Equation of Time
- Intercalary Day
- Leap Year
- New Style Date
- Sidereal Month
- Tropical Year
Common questions
What is Anomalistic Year?
An Anomalistic Year is the interval between successive passages of Earth through perihelion.
How is Anomalistic Year used in an almanac?
Use Anomalistic Year in orbital mechanics and long-term studies of Earth-Sun distance cycles.
What should I avoid when interpreting Anomalistic Year?
Do not claim perihelion defines the start of a civil or meteorological season.
