The Aztecs had their own independent system of Astrology based on a 260 day cycle of 20 signs, unrelated to the starry heavens, but on Aztec Gods. Every 13 days a new Aztec divinity was thought to influence from birth. Each Aztec sign is influenced by a number and a colour.

Discover Your Sign Through Your Date of Birth

The Aztecs associate the days of the year with the 20 signs of the Zodiac. Work out your birth sign by consulting the table below.

1) Select the number that corresponds to the year of your birth:

1900, 1980 : 17
1901, 1981 : 03
1902, 1982 : 08
1903, 1983 : 13
1904, 1984 : 18
1905, 1985 : 04
1906, 1986 : 09
1907, 1987 : 14
1908, 1988 : 19
1909, 1989 : 05
1910, 1990 : 10
1911, 1991 : 15
1912, 1992 : 20
1913, 1993 : 06
1914, 1994 : 11
1915, 1995 : 16
1916, 1996 : 01
1917, 1997 : 07
1918, 1998 : 12
1919, 1999 : 17
1920, 2000 : 02
1921, 2001 : 08
1922, 2002 : 13
1923, 2003 : 18
1924, 2004 : 03
1925, 2005 : 09
1926, 2006 : 14
1927, 2007 : 19
1928, 2008 : 04
1929, 2009 : 10
1930, 2010 : 15
1931, 2011 : 20
1932, 2012 : 05
1933, 2013 : 11
1934, 2014 : 16
1935, 2015 : 01
1936, 2016 : 06
1937, 2017 : 12
1938, 2018 : 17
1939, 2019 : 02
1940, 2020 : 07
1941, 2021 : 13
1942, 2022 : 18
1943, 2023 : 03
1944 : 08
1945 : 14
1946 : 19
1947 : 04
1948 : 09
1949 : 15
1950 : 20
1951 : 05
1952 : 10
1953 : 16
1954 : 01
1955 : 06
1956 : 11
1957 : 07
1958 : 02
1959 : 07
1960 : 12
1961 : 18
1962 : 03
1963 : 08
1964 : 13
1965 : 19
1966 : 04
1967 : 09
1968 : 14
1969 : 20
1970 : 05
1971 : 10
1972 : 15
1973 : 01
1974 : 06
1975 : 11
1976 : 16
1977 : 02
1978 : 07
1979 : 12
1980 : 17
1981 : 03
1982 : 08
1983 : 08
1984 : 18

2) Then to this number, add the figure that corresponds to the month of your birth:

January = 19
February = 10
March = 18
April = 09
May = 19
June = 10
July = 00
August = 11
September = 02
October = 12
November = 03
December = 13

3) Add the total to the day of the month you were born on (18 if you were born on the 18th, for example).

4) If you were born after 29th February during a leap year, you will need to add 1 to the total.

5) If the number is less than 20, go to step 6. If higher than 20, divide by 20, then note the remainder.

6) This number corresponds to your Aztec sign listed below: –

1. Cayman or Crocodile (Cipactli) bears the number 1 and the colour light green. It symbolises knowledge. This sign likes logic and logical thinking. This sign is strong of will, and good at organising, understanding and analysing. Its planet is Venus and its divinity is Tonacatecuhtli.
2. Wind (Ehecalt) knows how to overcome obstacles. When a storm blows, this sign always manages to calm itself down in the end. This sign is flexible, and consequently, agile too. These are people who are both physically and morally strong, but very difficult to please! This sign’s planet is Venus, and its divinity Quetzalcóatl.
3. House (Calli) bears the number 3 and its colour is dark green. The House is generous and welcoming. This sign likes other people, and seeks to find balance with its soul mate. House signs are rarely on their own, and find their place among family and in a routine. This sign’s planet is Saturn and its divinity is Tepeyolohti.
4. Lizard (Cuetzpallin ) bears the number 4. In Aztec culture, this animal represents vivacity rather than laziness. It handles any situation and is incredibly resistant! People of this sign are very prudent when confronting an obstacle. This sign’s planet is Saturn and its divinity is Huehuecóyotl.
5. Snake (Coátl) bears the number 5 and the colour orange. Snake signs are spontaneous and often act without reason. Their reactions can often be surprising. In the story of humanity, the snake symbolises reconciliation between Heaven and Earth. This sign also represents laziness! Its planet is Saturn, and its divinity is Chalchiúhtlicue.
6. Death (Miquiztli) is represented by the number 6 and the colour purple. Death is word given to man; language, law, ethics. People of this sign are often introverts, who are not able to free themselves from the gaze of others. Life with a House sign will make a Death sign happy, and bring them self-confidence. Its planet is the Moon and its divinities are Tecciztécatl and Meztli.
7. Stag or Deer (Mázatl) This animal represents prestige and rarity because it is difficult to track in the high plateaus of Mexico! It is also synonymous with shyness, tenacity, and being a dreamer. People of this sign are also highly sociable. This sign’s planet is the Moon, and its divinity is Tláloc.
8. Rabbit (Tochtli) is defined by the number 8 and the colour indigo blue. The Rabbit enjoys life’s pleasures. Delicate and timid, this sign hates conflict. People of this sign make for pleasant company, always smiling and hard-working. They are also prone to anguish and like to have control over their lives. This sign’s planet is the Moon and its divinity is Mayáhuel.
9. Water (Atl) This sign symbolises rarity, fertility, and need. In Aztec Astrology, it is also a symbol of worry, anguish and instability. Water signs are incredibly sensitive people, whose planet is Mars and divinity Xiuhtecuhtli.
10. Dog (Itzcuintli) is symbolised by the number 10. People of this sign are generous and ready to do anything to help and feel useful! They are really brave and highly intuitive, but also very shy. Their planet is Mars and divinity Mictlantecuhtli.
11. Monkey (Ozomatli) is represented by the number 11 and the colour golden yellow. People of this sign are modest, charming, and able to adapt to any situation. They are naturally beautiful and seductive, but who do not do things in their own interest – they are quite simply natural and pleasant. According to Aztec tradition, the Monkey gave man fire out of love and compassion. This sign’s planet is Mars and its divinity Xochipilli.
12. Grass (Malinalli) is represented by the number 12. It is one of the most mysterious signs in Aztec Astrology. Sometimes, it represents good news, and other times, it represents trials that must be overcome. It is a sign of sensitivity and resistance. Its planet is Jupiter, and its divinity Patécatl.
13. Reed (Acatl) is a sign that loves life, and bears the number 13. This sign is a symbol of paradise on Earth, since it is in Atlantic surroundings that traditional reeds grow! The reed symbolises gaiety, optimism and life’s most simple pleasures. This sign’s planet is Jupiter and its divinities are Tezcatlipoca and Itzlacoliuhqui.
14. Ocelot or Jaguar (Océlotl) is represented by the number 14, and its colour is black. The Ocelot is gifted with great strength of character, and can easily become aggressive. People of this sign can be calmed by the presence of a Flower or Monkey sign. The ocelot is a feline creature found in South America, and is very often unfaithful in Love – a sign that just goes for it. Its planet is Jupiter and its divinity Tlazoltéotl.
15. Eagle (Cuauhtli) bears the number 15, and its colour is silver. It represents strength, virility, and courage. Eagle signs have lucid minds and are blessed with constantly renewed energy. They are capable of making it through the dark and finding their way back to the light. They are strong and brave and know just how to be seductive… be wary! This sign’s planet is the Sun and its divinity Xipe Totec.
16. Vulture (cozcaquautli) bears the number 16. In Aztec Astrology, this is a positive sign, synonymous with good health, long life, and responsibilities! People of this sign make gifted businessmen and women who move directly and calmly towards their goals. This sign’s planet is the Sun and its divinity Itzpapálotl.
17. Earthquake (Ollin) bears the number 17, and represents beauty. People of this sign are wise and cautious, with a sense of justice. They are overflowing with imagination, and are daring and highly energetic. This sign’s planet is the Sun and its divinity Xólotl.
18. Silex (Técpatl) bears the number 18, and its colour is red. People of this sign are thorough, law-abiding, and moral. Clay signs do not like lies; they believe in justice. They are often authoritarian and move through life without ever complaining! This sign’s planet is Mercury, and its divinities are Tezcatlipoca and Chalchiuhtotolin.
19. Rain (Quiáhuitl) bears the number 19, and its colour is dark red. Rain signs are passionate; they like acting on their whims and let themselves be guided by their impulses. People of this sign are also quite versatile! This sign’s planet is Mercury, and its divinities are Tonatiuh and Chantico.
20. The Flower (xochiti) bears the number 20, and its colour is white. Flower signs are crazy, tender, artistic, and have a great sensitivity. A Flower sign will be full of life and vigour when paired with an Eagle or a Monkey. This sign’s planet is Venus, and its divinity is Xochiquetzal.