Feature guide
How to use each HOSHIDOU feature. Pages are grouped by mainline charts, predictive techniques, traditional methods, and tools.
The HOSHIDOU charts and tools are grouped into four zones by purpose. Pick the chart type you want to read and follow the link.
Mainline charts
Includes the multi-person charts that compare two people.
Single Wheel
The natal chart as one wheel — HOSHIDOU's core view.
Aspect patterns
Grand Trine, Grand Cross and other multi-planet figures, detected automatically.
Triple Wheel
Natal, progressed, and transit layers on a single wheel.
Synastry chart
Cross-aspect view between two people's charts.
Composite chart
The midpoint chart for a relationship.
Compatibility score
Numeric scoring of synastry for a quick read.
Predictive techniques
Time-bounded charts for focused reading.
Solar Return
The yearly chart cast when the Sun returns to its natal position.
Lunar Return
The monthly chart cast when the Moon returns to its natal position.
Solar Arc
A direction technique that moves the entire chart in step with the Sun.
Harmonic chart
Subdivision of the chart by an integer to surface specific relationships.
Draconic chart
The chart re-cast with the Nodes as the new reference point.
Traditional techniques
Techniques rooted in Hellenistic astrology.
Traditional techniques overview
A map of the Hellenistic methods HOSHIDOU supports.
Sect
Day vs night birth and how it shifts each planet's role.
Profection year
Advance the houses by age to read the year's theme.
Arabic Parts
Sensitive points calculated from planetary positions.
Tools and I/O
Tools that make the charts easier to read, plus exchange with outside data.
Reading guides
Hover-over meanings for planets, aspects, and houses.
Ephemeris
Monthly positions with ingresses and void-of-course Moon.
Personal transit alerts
Notifications for major transits to your natal chart.
Snapshots
Save a chart at a specific moment and recall it later.
Notes
Attach notes to a chart or to specific bodies and aspects.
Chart export
Export the chart as PNG or PDF.
AI reading reports
AI-generated readings for natal, synastry, and transit charts.
Connecting AI tools
MCP connection so Claude or ChatGPT can read your charts.