Dictionary term
Anomalistic Month
Direct answer
Anomalistic Month: An Anomalistic Month is the mean interval between successive lunar perigees.
An Anomalistic Month measures perigee-to-perigee return of the Moon.
An Anomalistic Month measures perigee-to-perigee return of the Moon.
A cycle or timeline schematic for comparing the named timekeeping concept.Quick reference
- Use when
- Use Anomalistic Month when explaining perigee recurrence, distance cycles, and perigean spring tides.
- Do not use it for
- Do not claim every perigee creates extreme tides or observable effects at every coast.
- Reference category
- Calendars & Timekeeping
- Related terms
- Sidereal Month, Draconic Month, Calendar, Julian Date
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The story behind Anomalistic Month
Lunar theory identified the moving apsidal line as the reason perigee return differs from star-relative orbital return.
Anomalistic Month in spiritual tradition
Spiritually, the anomalistic month invites attention to changing distance without exaggerating its personal influence.
Anomalistic Month: 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 Month in numerology
Anomalistic Month 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 Month matters
It tracks the changing Earth-Moon distance cycle that modulates apparent lunar size and some tidal ranges.
Anomalistic Month at work: an example
The anomalistic month averages about 27.55 days, so perigee shifts through the phase cycle.
Where interpretation stops
Anomalistic Month 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
Follow the lunar distance cycle
Anomalistic Month in a book is one thing; Anomalistic Month 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.
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More in Calendars & Timekeeping
Common questions
What is Anomalistic Month?
An Anomalistic Month is the mean interval between successive lunar perigees.
How is Anomalistic Month used in an almanac?
Use Anomalistic Month when explaining perigee recurrence, distance cycles, and perigean spring tides.
What should I avoid when interpreting Anomalistic Month?
Do not claim every perigee creates extreme tides or observable effects at every coast.
