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Aries () /ˈɛərz/ (meaning "ram") is the first astrological sign in the zodiac, spanning the first 30 degrees of celestial longitude (0°≤ λ <30°). Under the tropical zodiac, the Sun transits this sign mostly from March 21 to April 20 each year. This time duration is exactly the first month of Solar Hejri calendar (Hamal/Farvardin). The symbol of the ram is based on the Chrysomallus, the flying ram that provided the Golden Fleece.[2]

Zodiac symbol Ram
Duration (tropical, western) March 20 – April 20 (2018, UT1)[1]
Constellation Aries
Zodiac element Fire
Zodiac quality Cardinal
Sign ruler Mars, Pluto (rare)
Detriment Venus, Eris* (minor planet rulerships are questionable)
Exaltation Sun
Fall Saturn

According to the tropical system of astrology, the Sun enters the sign of Aries when it reaches the northern vernal equinox, which occurs around March 21. Because the Earth takes approximately 365.25 days to go around the Sun, the precise time of the equinox is not the same each year, and generally will occur about 6 hours later each year, with a jump of a day (backwards) on leap years. Since 1900 the vernal equinox date has ranged from March 20 at 08h (2000) GMT to March 21 at 19h (1903) GMT.[3] March 19 at 23:20 will occur in 2044 UT1.[1] In contrast, under the sidereal zodiac, the sun currently transits Aries from April 15 to 14 May (approximately).

Aries is the first fire sign in the zodiac, the other fire signs being Leo and Sagittarius. Individuals born between these dates, depending on which system of astrology they subscribe to, may be called Arians or Ariens.[4]

The equivalent in the Hindu solar calendar is Meṣa.[5]




Works citedEdit

  • "aries". Llewellyn Encyclopedia. 2013. 
  • "Arian". Oxford Dictionaries. n.d. Retrieved March 30, 2016. 
  • Astronomical Applications Department (2011). Multiyear Computer Interactive Almanac. 2.2.2. Washington DC: US Naval Observatory.  Longitude of Sun, apparent geocentric ecliptic of date, interpolated to find time of crossing 0°, 30°....
  • Atsma, Aaron J. (2015). "Chrysomallus". The Theoi Project: Greek mythology. 
  • "Equinoxes and solstices". Royal Museums Greenwich. c. 2015. Retrieved March 30, 2016. 

External linksEdit