Constellation is based on lunar date _ Constellation is based on lunar date or solar day.

Does the constellation look at the lunar birthday or the solar birthday?

The constellation is the birthday of the solar calendar.

In western astrology, constellation 12 is synonymous with the orientation of the universe. When a person is born, the position of each constellation on the ecliptic shows a person's innate character and talent. Zodiac 12 symbolizes the psychological level and reflects a person's behavior. So the ecliptic is divided into 12 constellation, which is called 12 constellation. Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius, Capricorn, Aquarius, Pisces.

The twelve constellations in astronomical calendar and astrology are different in practical sense. If you are not an astrologer, you should check which constellation you belong to according to the actual dates of the twelve constellations in the astronomical calendar.

Extended information 47 constellations are mentioned in Things written by the Greek poet Aratus in 270 BC. According to the star regions recorded in Celestial Bodies, due to precession, the Antarctic in the period described in the book is not consistent with the current Antarctic, so it can be inferred that the starry sky recorded in the book is before 2000 BC; At the same time, the blank area of the starry sky record indicates that the observer should be near 35 to 36 north latitude. So some people think that the practice of dividing the starry sky into constellations originated from Babylon and Sumer in Mesopotamia, and the constellations of Greece and Egypt may have been introduced from this area.

In the Book of Job, several constellations such as Bear and Orion are mentioned. In the12nd century BC, the land landmarks built in the era of Nebuchadnezzar I were engraved with designs of Sagittarius, Scorpio and Ophiuchus. The ancient Greek poets Homer and hesiod also mentioned Ursa major, Orion and the Pleiades (the Pleiades was considered as an independent constellation at that time, not a part of Taurus), while Babylon had recorded the zodiac signs in cuneiform at the same time.