Library
Astrology reference library
Tropical zodiac, Western astrology
Natalora’s Western astrology library: what each planet, sign, house, aspect, point and decan means, with the textbook facts such as essential dignities, and every page linked to the ones it touches.
The 10 planets
10 planets
The 12 signs
12 signs
The 12 houses
12 houses
The 11 aspects
11 aspects
- Conjunction
- Opposition
- Trine
- Square
- Sextile
- Quincunx (150°)
- Semi-sextile (30°)
- Semi-square (45°)
- Sesquiquadrate (135°)
- Quintile (72°)
- Biquintile (144°)
Planet pairs in aspect · 65 pairs
Key points
5 points
The 36 decans
36 decans
- Aries decan 1
- Aries decan 2
- Aries decan 3
- Taurus decan 1
- Taurus decan 2
- Taurus decan 3
- Gemini decan 1
- Gemini decan 2
- Gemini decan 3
- Cancer decan 1
- Cancer decan 2
- Cancer decan 3
- Leo decan 1
- Leo decan 2
- Leo decan 3
- Virgo decan 1
- Virgo decan 2
- Virgo decan 3
- Libra decan 1
- Libra decan 2
- Libra decan 3
- Scorpio decan 1
- Scorpio decan 2
- Scorpio decan 3
- Sagittarius decan 1
- Sagittarius decan 2
- Sagittarius decan 3
- Capricorn decan 1
- Capricorn decan 2
- Capricorn decan 3
- Aquarius decan 1
- Aquarius decan 2
- Aquarius decan 3
- Pisces decan 1
- Pisces decan 2
- Pisces decan 3
Symbols and terms
48 symbols · 80 terms
Degree lookup
Pick a sign and a degree, or open one from your chart’s positions table, and see its decan in both systems.
To see this in your own chart, cast it in the app from your date, time and place of birth.