A decan is a 10 degree subdivision of a Zodiac sign. There are 3 decans per Zodiac sign and 36 decans in the 360 degree ruler.
Each decan is assigned to a planetary ruler.
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Sign
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Decan
0-10 degrees
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Decan
11-20 degrees
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Decan
21-30 degrees
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Aries
|
Aries-Mars
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Leo-Sun
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Sagittarius-Jupiter
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Taurus
|
Taurus-Venus
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Virgo-Mercury
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Capricorn-Saturn
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Gemini
|
Gemini-Mercury
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Libra-Venus
|
Aquarius-Uranus
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Cancer
|
Cancer-Moon
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Scorpio-Pluto
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Pisces-Neptune
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Leo
|
Leo-Sun
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Sagittarius-Jupiter
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Aries-Mars
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Virgo
|
Virgo-Mercury
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Capricorn-Saturn
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Taurus-Venus
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|
Libra
|
Libra-Venus
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Aquarius-Uranus
|
Gemini-Mercury
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Scorpio
|
Scorpio-Pluto
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Pisces-Neptune
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Cancer-Moon
|
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Sagittarius
|
Sagittarius-Jupiter
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Aries-Mars
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Leo-Sun
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Capricorn
|
Capricorn-Saturn
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Taurus-Venus
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Virgo-Mercury
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Aquarius
|
Aquarius-Uranus
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Gemini-Mercury
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Libra-Venus
|
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Pisces
|
Pisces-Neptune
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Cancer-Moon
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Scorpio-Pluto
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