If you seek to take advantage of this opportunity, I heartily recommend you consider getting this book: It is a direct and practical guide back to your core and greater becoming, without the fluff. Being Centered. Each sun sign has its own unique contribution and interaction with the Mercury Retrograde Cycle. Please note that all times are approximate.
The actual times are defined by the observer location and vary due to parallax. They are often used interchangeably. To convert to your time zone, subtract an hour for each time zone west of UTC and add an hour for each time zone east of UTC. All rights reserved. Any unauthorized use by whatever means is prohibited. The Challenge of Transits? Please note that this calendar begins the week on a Monday!
Aries Taurus Gemini Cancer. Leo Virgo Libra Scorpio. Hipparchus's lost work on precession never circulated very widely until it was brought to prominence by Ptolemy,  and there are few explanations of precession outside the work of Ptolemy until late Antiquity, by which time Ptolemy's influence was widely established. The Hindu zodiac uses the sidereal coordinate system , which makes reference to the fixed stars. The Hindu zodiac, being sidereal, does not maintain this seasonal alignment, but there are still similarities between the two systems. The Hindu zodiac signs and corresponding Greek signs sound very different, being in Sanskrit and Greek respectively, but their symbols are nearly identical.
This included magical uses of the zodiac, as found, e. Mughal king Jahangir issued an attractive series of coins in gold and silver depicting the twelve signs of the Zodiac. An example of the use of signs as astronomical coordinates may be found in the Nautical Almanac and Astronomical Ephemeris for the year The "Longitude of the Sun" columns show the sign represented as a digit from 0 to and including 11 , degrees from 0 to 29, minutes, and seconds.
The zodiac symbols are Early Modern simplifications of conventional pictorial representations of the signs, attested since Hellenistic times. But note that the Sanskrit and the name equivalents after c. Also, the "English translation" isn't usually used by English speakers. Latin names are standard English usage. The zodiacal signs are distinct from the constellations associated with them, not only because of their drifting apart due to the precession of equinoxes but also because the physical constellations take up varying widths of the ecliptic, so the Sun is not in each constellation for the same amount of time.
The zodiacal signs are an abstraction from the physical constellations, and each represent exactly one 12th of the full circle, or the longitude traversed by the Sun in about The path of the Sun passes through 13 constellations recognized by ancient Babylonian, Greek, and Roman astronomers including in Ptolemy 's Almagest   and the modern International Astronomical Union.
Because the Babylonians had a month lunar calendar, they chose and divided up the year evenly. The 13th was left out: Ophiuchus , the bottom part of which interjects between Scorpio and Sagittarius. Occasionally this difference between the astronomical constellations and the astrological signs is mistakenly reported in the popular press as a "change" to the list of traditional signs by some astronomical body like the IAU, NASA , or the Royal Astronomical Society. For example, in drawing a distinction between astrology and scientific astronomy, NASA notes that "No one has shown that astrology can be used to predict the future or describe what people are like based on their birth dates.
Some "parazodiacal" constellations are also touched by the paths of the planets, leading to counts of up to 25 "constellations of the zodiac". Some other constellations are also mythologically associated with the zodiacal ones: Piscis Austrinus , The Southern Fish, is attached to Aquarius. In classical maps, it swallows the stream poured out of Aquarius' pitcher, but perhaps it formerly just swam in it.
Aquila , The Eagle, was possibly associated with the zodiac by virtue of its main star, Altair. The following table compares the Gregorian dates on which the Sun enters:. The theoretical beginning of Aries is the moment of vernal equinox , and all other dates shift accordingly. The precise Gregorian times and dates vary slightly from year to year as the Gregorian calendar shifts relative to the tropical year. Except for and , the vernal equinox has started on 20 March since , and is projected to until Because the Earth's axis is at an angle, some signs take longer to rise than others, and the farther away from the equator the observer is situated, the greater the difference.
Thus, signs are spoken of as "long" or "short" ascension. The zodiac system was developed in Babylonia , some 2, years ago, during the " Age of Aries ". Contemporary use of the coordinate system is presented with the choice of interpreting the system either as sidereal , with the signs fixed to the stellar background , or as tropical , with the signs fixed to the point vector of the Sun at the March equinox.
Western astrology takes the tropical approach, whereas Hindu astrology takes the sidereal one. This results in the originally unified zodiacal coordinate system drifting apart gradually, with a clockwise westward precession of 1.
12 Astrology Zodiac Signs Dates, Horoscope Sign Compatibility
For the tropical zodiac used in Western astronomy and astrology, this means that the tropical sign of Aries currently lies somewhere within the constellation Pisces " Age of Pisces ". The sidereal coordinate system takes into account the ayanamsa , ayan meaning transit or movement , and amsa meaning small part , i. It is unclear when Indians became aware of the precession of the equinoxes, but Bhaskara 2 's 12th-century treatise Siddhanta Shiromani gives equations for measurement of precession of equinoxes, and says his equations are based on some lost equations of Suryasiddhanta plus the equation of Munjaala.
The discovery of precession is attributed to Hipparchus around BC. Ptolemy quotes from Hipparchus' now lost work entitled "On the Displacement of the Solstitial and Equinoctial Points" in the seventh book of his 2nd century astronomical text, Almagest , where he describes the phenomenon of precession and estimates its value. The principle of the vernal point acting as the first degree of the zodiac for Greek astronomers is also described in the 1st century BC astronomical text of Geminus of Rhodes.
Geminus explains that Greek astronomers of his era associate the first degrees of the zodiac signs with the two solstices and the two equinoxes, in contrast to the older Chaldean Babylonian system, which placed these points within the zodiac signs. Ptolemy also demonstrates that the principle of the tropical zodiac was well known to his predecessors within his astrological text, the Tetrabiblos , where he explains why it would be an error to associate the regularly spaced signs of the seasonally aligned zodiac with the irregular boundaries of the visible constellations:.
These events can be useful, for example, to estimate the cross-sectional dimensions of a minor planet , or check a star for a close companion. The Sun's placement upon the vernal equinox, which occurs annually around 21 March, defines the starting point for measurement, the first degree of which is historically known as the " first point of Aries ". Zodiac signs have never been used to determine the boundaries of astronomical constellations that lie in the vicinity of the zodiac, which are, and always have been, irregular in their size and shape.
The use of the zodiac as a means to determine astronomical measurement remained the main method for defining celestial positions by Western astronomers until the Renaissance, at which time preference moved to the equatorial coordinate system , which measures astronomical positions by right ascension and declination rather than the ecliptic-based definitions of celestial longitude and celestial latitude. The word "zodiac" is also used in reference to the zodiacal cloud of dust grains that move among the planets, and the zodiacal light that originates from their scattering of sunlight.
In Unicode, the symbols of zodiac signs are encoded in block "Miscellaneous Symbols": . From Wikipedia, the free encyclopedia. This is the latest accepted revision , reviewed on 5 October For the East Asian zodiac based on the Jovian orbital cycle, see Chinese zodiac. For other uses, see zodiac disambiguation. Further information: Former constellations.
The Epsilon Arietids are also a daylight occurrence, and are active between April 25th to May 27th with peak activity on May 9th.
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And then there are the Daytime Arietids, which occur from May 22nd to July 2nd with a maximum rate of one a minute on June 8th. To top it off, the Aries constellation contains several stars with extrasolar planets. For example, HIP , a G5 type star, is orbited by three confirmed exoplanets, all of them giant planets all Super-Earths. HD , also a G-type main sequence star, has two orbiting planets which appear to be Super-Jupiters. And HD , a G0 type star, has one orbiting gas giant that roughly the same size as Jupiter. The ruling celestial body of Taurus is Venus. There is one major annual meteor shower associated with the constellation of Taurus: the annual Taurids, which peak on or about November 5th of each year and have a duration period of about 45 days.
The maximum fall rate for this meteor shower is about 10 meteors per hour, with many bright fireballs often occurring when the parent comet — Encke — has passed near perihelion. And speaking of Pleiades aka. Messier 45 , The Seven Sisters this cluster of stars is located perpendicular to Aldebaran in the night sky, and is visible to the unaided eye. Although it is made up of over confirmed stars, this object is identifiable by its seven particularly bright blue stars though as many as 14 up can be seen with the naked eye depending on local observing conditions.
These are based on the Dioscuri of Greek mythology, two mortals that were granted shared godhood after death. Gemini is part of the Third House, traditionally named Fratres Brothers and currently known as the House of Communications. The associated element for Geminis is Air, and the ruling celestial body is Mercury.
Pollux is the brighter of the two, an orange-hued giant star of magnitude 1. Pollux has an extrasolar planet revolving around it, as do two other stars in Gemini, a super-Jupiter which was confirmed in There are two annual meteor showers associated with the constellation of Gemini. The first is the March Geminids, which peaks on or around March 22nd. The average fall rate is generally about 40 per hour but this varies and the meteors appear to be very slow, entering our atmosphere unhurriedly and leaving lasting trails. The second meteor shower are the Geminids themselves, which peak on or near the date of December 14th, with activity beginning up to two weeks prior and lasting for several days.
The Geminids are one of the most beautiful and mysterious showers, with a rate of about per hour during a moonless night. The Gemini constellation is also associated with Messier 35 , a galactic open star cluster that is easily spotted with the naked eye. The star cluster is quite young, having formed some million years ago, and is quite bright due to it having blown away most of its leftover material i. Other open clusters in Gemini include NGC , which lies directly southwest of M35 in the night sky.
In terms of the elements, Cancers are characterized by the element of Water, and the ruling celestial body of Cancer is The Moon. This 3. This system is also home to a confirmed exoplanet, beta Cancri b, which is a Super-Jupiter with an orbital period of over days. In terms of deep-sky objects, Cancer is best known as being the home of Messier Object 44 aka. Praesepe, or the Beehive Cluster , an open cluster located in the center of the constellation.
Located light-years from Earth, it is one of the nearest open clusters to our Solar System. M44 contains about 50 stars, the brightest of which are of the sixth magnitude. The smaller, denser open cluster of Messier Object 67 can also be found in Cancer, which is light-years from Earth and contains approximately stars.
The active galaxy OJ is also found in the Cancer constellation. Located 3. There is only one meteor shower associated with the constellation of Cancer, which is the Delta Cancrids.
The peak date for this shower is on or about January 16t, and has been known to average only about 4 comets per hour and the meteors are very swift. The sign of Leo is also associated with the element of Fire and the ruling celestial body of Leo is The Sun. There are five annual meteor showers associated with the constellation Leo.
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The first is the Delta Leonid meteor stream, which begins between February 5th through March 19th every year. The activity peaks in late February, and the maximum amount of meteors averages around 5 per hour. The next is the Sigma Leonid meteor shower, which begins on April 17th. This is a very weak shower, with activity rates no higher than 1 to 2 per hour. The next is the November Leonids, the largest and most dependable meteor shower associated with the Leo constellation.
The peak date is November 17th, but activity occurs around 2 days on either side of the date. The radiant is near Regulus and this is the most spectacular of modern showers. The shower is made more spectacular by the appearance of the Temple-Tuttle comet, which adds fresh material to the stream when it is at perihelion.
The last is the Leo Minorids, which peak on or about December 14th, which is believed to produce around 10 faint meteors per hour. Leo is also home to some of the largest structures in the observable universe.
Zodiac Sign Dates: What Are The Dates for Every Star Sign?
This includes many bright galaxies, which includes the Leo Triplet aka. The Triplet is at a distance of 37 million light-years from Earth and has a somewhat distorted shape due to gravitational interactions with the other members of the Triplet, which are pulling stars away from M Both M65 and M66 are visible in large binoculars or small telescopes, but seeing them in all of their elongated glory requires a telescope.
In addition, it is also home to the famous objects Messier 95 , Messier 96 , and Messier These are spiral galaxies, in the case of M95 and M96 with M95 being a barred spiral , while Messier is an elliptical galaxy which is known to have a supermassive black hole at its center. Then there is the Leo Ring aka. Cosmic Horseshoe a cloud of hydrogen and helium gas, that orbits two galaxies found within this constellation.
Based on Astraea from Greek mythology, the maiden was the last immortal to abandon Earth at the end of the Silver Age, when the gods fled to Olympus. They are also associated with the element of Earth and the ruling celestial body of Virgo is Mercury. The brightest star in the Virgo constellation is Spica , a binary and rotating ellipsoidal variable — which means the two stars are so close together that they are egg-shaped instead of spherical — located between and light years from Earth.
12 Zodiac Signs
The primary is a blue giant and a variable star of the Beta Cephei type. The star 70 Virginis was one of the first planetary systems to have a confirmed exoplanet discovered orbiting it, which is 7.
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The star Chi Virginis has one of the most massive planets ever detected, at a mass of The sun-like star 61 Virginis has three planets: one is a super-Earth and two are Neptune-mass planets. It is represented by the symbol of The Scales, which is based on the Scales of Justice held by Themis, the Greek personification of divine law and custom and the inspiration for modern depictions of Lady Justice. Libra is part of the Seventh House — Uxor Spouse or House of Partnership, are associated with the element of Air, and the ruling celestial body is Venus.
Alpha Libae is a double star consisting of an A3 primary star with a slight blue tinge and a fainter type F4 companion, both of which are located approximately 77 light years from our Sun. Beta Librae is the brighter of the two, and the brightest star in the Virgo constellation. This is a blue star of spectral type B8 but which appears somewhat greenish which is located roughly light years from Earth.
It is an orange giant of magnitude 3. Libra is home to the star Gliese , which has a planetary system consisting of at least 6 planets. Both Gliese d and Gliese g are considered to be some of the most promising candidates for life. All of these exoplanets are of significance for establishing the likelihood of life outside of the Solar System. Libra is also home to one bright globular cluster, NGC It is a fairly large and loose cluster, has an integrated magnitude of 9, and is located 40, light-years from Earth.