The symbols used in Western astrology to represent the astrological signsMain article: Western astrology
The modernlongitudes for each sign of 30° longitude. In terms of:
the sidereal zodiac described here in this article the longitudes are calibrated by treating the star Aldebaran as 45° and Antares as 235°
the tropical zodiac, the longitudinal calibration is set according to the position of the Sun along the ecliptic at the moment of the vernal equinox each year
For the sidereal zodiac, the movement of the Sun through each sign corresponds roughly with the constellation of the same name. For the tropical zodiac the movement of the Sun through each sign corresponds roughly to same days of the Gregorian Calendar each year (precisely the same days relative to the time of the vernal equinox).
Aries (0°) (The Ram)
Taurus (30°) (The Bull)
Gemini (60°) (The Twins)
Cancer (90°) (The Crab)
Leo (120°) (The Lion)
Virgo (150°) (The Virgin)
Libra (180°) (The Scale)
Scorpio (210°) (The Scorpion)
Sagittarius (240°) (The Archer)
Capricorn (270°) (The Sea-goat)
Aquarius (300°) (The Water-bearer) Indian zodiac
Traditional Hindu astrology has a sidereal coordinate zodiac system with twelve signs. The names of the Hindu zodiacal signs, or rāśis, are similar to Graeco-Babylonian signs:
meṣa "ram" (Aries)
vṛṣabha "bull" (Taurus)
mithuna "a pair" (Gemini)
karka "crab" (Cancer)
siṃha "lion" (Leo)
kanyā "maiden" (Virgo)
tula, from tulā "balance" (Libra)
vrushchik "scorpion" (Scorpius), also kaurpi, loaned from the Greek
kārmuka, cāpa, dhanus "bow, arc", cāpin "armed with a bow" (Sagittarius)
eṇa, mṛga "antelope", also makara "sea-monster" (Capricornus)
kumbha "pitcher, water-pot" (Aquarius)
matsya "fish", also jhaṣa, timi, mīna after specific kinds of fish (Pisces)
This "Hindu zodiac" (adhvan, rāśi) thus has similarities to Greek zodiac. The Graeco-Babylonian system of twelve signs overlays the native Hindu system of nine grahas or planets. Chinese and other zodiacs
Chinese astrology also has a system of twelve signs sometimes also referred to as "zodiac". This does not necessarily imply a common origin, since the number of twelve naturally suggests itself from the number of synodic months in a year; in other words, the extent of a zodiacal sign corresponds to the path covered by the Sun between two new moons. Like its Western counterpart, the Chinese zodiac features animals. However, the Chinese zodiac associates each animal with both one month and one solar year. Thus the signs repeat themselves every twelve year cycle. The animals of the Chinese Zodiac are: rat, ox, tiger, rabbit (or hare), dragon, snake, horse, sheep (or goat), monkey, rooster, dog, and pig (or boar). For a list of how these animals map to the months and years see Chinese astrology. There is also a Chinese lunar zodiac comprised of twenty-eight lunar "mansions", each corresponding to a Chinese constellation.
Beyond the traditional Chinese system, in New Age or Occultist movements there are sometimes claims of even other systems such as a "Celtic zodiac" based on the lunisolar Celtic calendar, or a "Galactic zodiac". Other evidence suggests Mayan, Incan and Aztec cultures of the Western hemisphere also noted celestial events along the zodiac. The Maya for example, certainly possessed a zodiac of some kind. The Mayan name for the constellation Scorpio was also 'scorpion', while the name of the constellation Gemini was 'peccary'. There is evidence for other constellations being named after various beasts, but it remains unclear. 说起星座，不仅包括西方的，还包括印度； 以及我们中国的属相哦！
关于星座
关于星座Astrologers use astronomical observations of the movements of the night sky for divinatory purposes. The zodiac remains in use in modern astrology, though the issue of tropical astrology (used mainly by Western astrologers) and sidereal astrology (used mainly by Indian astrologers) is central. At issue in the debate is whether the signs should be defined in terms of zones derived from nodal points defined by Earth's motion during a tropical year , or whether the signs should be defined in terms of signs roughly aligned with the constellations of the same name (for sidereal astrologers). This matters because of an astronomical phenomenon called the precession of the equinoxes, whereby the position of the stars in sky has changed over time. Therefore, over the centuries the twelve zodiacal signs in Western astrology no longer correspond to the same part of the sky as their original constellations, or their Indian counterparts. In effect, in Western astrology the link between sign and constellation has been broken, whereas in Indian astrology it remains of paramount importance.
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