Aquarius | Constellation, Zodiac, Sign, Symbol, Dates, & Facts

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Aquarius
Aquarius Aquarius, illumination from a book of hours, Italian, c. 1475; in the Pierpont Morgan Library, New York City (MS. G.14). (more)
Aquarius astronomy and astrology Ask Anything Homework Help Also known as: Water Bearer Written and fact-checked by Britannica Editors Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... Britannica Editors Last updated Feb. 5, 2026 History Britannica AI Icon Britannica AI Ask Anything Table of Contents Table of Contents Ask Anything

Aquarius, in astronomy, zodiacal constellation lying in the southern sky between Capricornus and Pisces, at about 22 hours right ascension and 10° south declination. It lacks striking features, the brightest star, Sadalmelik (Arabic for “the lucky stars of the king”), being of magnitude 3.0.

Latin: “Water Bearer” (Show more) On the Web: The Planets - Aquarius Constellation – Features And Facts (Feb. 05, 2026) (Show more) See all related content
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AquariusAquarius (water bearer), watercolor and ink on paper, from a manuscript created in Ulm or Augsburg, Germany, c. 1464; in the J. Paul Getty Museum, Los Angeles.(more)
Aquarius2 of 2
AquariusAstronomical chart showing a male figure holding an inverted bowl from which water flows, forming the constellation Aquarius; hand-colored etching by Sidney Hall from Urania's Mirror, 1825.(more)

In astrology, Aquarius is the 11th sign of the zodiac, considered as governing the period from about January 20 to about February 18. Its representation as a man pouring a stream of water out of a jug came about, it has been suggested, because in ancient times the rising of Aquarius coincided in the Middle East with a period of floods and rain.

The Editors of Encyclopaedia BritannicaThis article was most recently revised and updated by Mindy Johnston.

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