Dictionary term
22-Degree Halo
Direct answer
22-Degree Halo: A 22-Degree Halo is a circular ring around the Sun or Moon with an apparent radius near 22 degrees, formed by refraction through hexagonal ice crystals.
A 22-Degree Halo is the common ice-crystal ring around the Sun or Moon.
A Sun–Earth orientation for seasonal, atmospheric, tidal, and terrestrial terms.Quick reference
- Use when
- Use 22-Degree Halo in skywatching and cloud education with angular-size and crystal explanations.
- Do not use it for
- Block the Sun with a building or hand and never look through unfiltered optical equipment.
- Reference category
- Seasons & Earth Almanac
- Related terms
- Sun Pillar, Sundog, Astronomical Season, Equinox
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The story behind 22-Degree Halo
Geometric optics connected the ring minimum deviation angle with light passing through sixty-degree ice-crystal prisms.
22-Degree Halo in spiritual tradition
Spiritually, the halo can inspire awe without being treated as a forecast beyond ordinary cloud context.
22-Degree Halo: 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.
22-Degree Halo in numerology
22-Degree Halo 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 22-Degree Halo matters
It is a frequent sign of high ice clouds and a foundation for identifying more complex halo displays.
22-Degree Halo at work: an example
An outstretched hand span can help estimate the broad radius between the Sun and the halo.
Where interpretation stops
22-Degree Halo 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:
- National Weather Service: Atmospheric Optics - NWS science reference for halos, pillars, sundogs, green flashes, rays, and related optical displays.
- Source
- The Great Almanac Dictionary
- Category
- Seasons & Earth Almanac
- Also appears in
- Seasons & Earth Almanac
- Aliases
- None listed
- Last updated
- 2026-07-16
Measure the common halo
22-Degree Halo in a book is one thing; 22-Degree Halo 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 Seasons & Earth Almanac
- Belt of Venus
- Cooling Degree Day
- Earth-Sun Distance Cycle
- Growing Degree Day
- Mixed Tide
- Perigean Spring Tide
- September Equinox
Common questions
What is 22-Degree Halo?
A 22-Degree Halo is a circular ring around the Sun or Moon with an apparent radius near 22 degrees, formed by refraction through hexagonal ice crystals.
How is 22-Degree Halo used in an almanac?
Use 22-Degree Halo in skywatching and cloud education with angular-size and crystal explanations.
What should I avoid when interpreting 22-Degree Halo?
Block the Sun with a building or hand and never look through unfiltered optical equipment.
