Decanates
The word “decanates” comes from Greek, meaning “ten days apart,” and was originally an Egyptian concept. Each sign of the Zodiac is split into three decanates (first, second, and third), each of which takes up 10 degrees of the zodiacal circle. Each of these has a constellation and planetary subrulers thought to further define and individualize birthday personology.
Date |
Sign |
Subsign |
March 20–30 |
Aries |
Aries |
March 31–April 9 |
Aries |
Leo |
April 10–21 |
Aries |
Sagittarius |
April 21–31 |
Taurus |
Taurus |
May 1–10 |
Taurus |
Virgo |
May 11–22 |
Taurus |
Capricorn |
May 22–31 |
Gemini |
Gemini |
June 1–10 |
Gemini |
Libra |
June 11–22 |
Gemini |
Aquarius |
June 22–July 1 |
Cancer |
Cancer |
July 2–11 |
Cancer |
Scorpio |
July 12–23 |
Cancer |
Pisces |
July 23–August 2 |
Leo |
Leo |
August 312 |
Leo |
Sagittarius |
August 13–22 |
Leo |
Aries |
August 22–September 2 |
Virgo |
Virgo |
September 3–12 |
Virgo |
Capricorn |
September 13–23 |
Virgo |
Taurus |
September 23–October 3 |
Libra |
Libra |
October 4–13 |
Libra |
Aquarius |
October 14–23 |
Libra |
Gemini |
October 23–November 2 |
Scorpio |
Scorpio |
Date |
Sign |
Subsign |
November 3–12 |
Scorpio |
Pisces |
November 13–22 |
Scorpio |
Cancer |
November 23–December 2 |
Sagittarius |
Sagittarius |
December 3–12 |
Sagittarius |
Aries |
December 13–22 |
Sagittarius |
Leo |
December 22–31 |
Capricorn |
Capricorn |
January 1–10 |
Capricorn |
Taurus |
January 11–21 |
Capricorn |
Virgo |
January 21–30 |
Aquarius |
Aquarius |
January 31–February 9 |
Aquarius |
Gemini |
February 10–20 |
Aquarius |
Libra |
February 20–March 1 |
Pisces |
Pisces |
March 2–11 |
Pisces |
Cancer |
March 12–22 |
Pisces |
Scorpio |
The effects of each subsign have been taken into account in the birthday personology descriptions that make up this book.

