Glossary · Your chart
Signs and constellations
What it changes
Nobody "changed your sign": the two systems measure different things, and both positions below are computed from your birth. Western astrology reads the signs; the starry sky tells the constellations. You are allowed to prefer either — or both.
What it is
Signs are not constellations. The sign zodiac cuts the Sun's path into twelve equal 30° slices, anchored to the spring equinox. Constellations are star figures with irregular borders, fixed by astronomers in 1930 — and the Sun crosses thirteen of them, including Ophiuchus, from November 30 to December 18.
See the calculated example
Calculated on the site
See also
Your Sun sign is only the start.
Your Moon, your rising sign, your planets: AstroXP calculates your full chart to the minute of your birth, and every morning the real sky on that chart.
My full chart
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