Kunkle says that as the Earth and Sun slowly move the signs gradually change, as expected.
The change didn't happen over night either. The 12 signs were designated to different periods of the year almost 3,000 years ago, when astrology began, and since then the Earth's position in relation to the sun has changed.
While the sign many people were born under may now be different, it shouldn't affect horoscope readings, according to NBC.
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New Zodiac Sign Dates
New Zodiac Sign Dates
