How many zodiac constellations do astrologers distinguish? In reality, the current position of the Sun in the zodiacal

How many zodiac constellations do astrologers distinguish? In reality, the current position of the Sun in the zodiacal constellations is significantly different from how it was 2 thousand years ago, so at this moment in time the Sun is not in the constellation that astrologers call. Why?

The apparent annual path of the Sun passes through 13 constellations, starting from the vernal equinox: Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Ophiuchus, Sagittarius, Capricorn, Aquarius, Pisces, 12 of which belong to the zodiac signs. The belt of 12 zodiac constellations is called the Zodiac. The constellation Ophiuchus is not among the signs of the zodiac. This happened because in ancient times the zodiacal belt was divided into 12 constellations, which served as a calendar, each Sun was about a month. Therefore, there are 13 zodiac constellations, and 12 zodiac signs.
2 thousand years ago, the signs of the zodiac coincided with the zodiac constellations of the same name. The reason for the displacement of the signs of the zodiac and the zodiac constellations of the same name is the precession, or the anticipation of the equinox, established by Hipparchus of Rhodes in the II century BC.

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