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Free mercury sign calculator.
Reviewed by Dr. L. Nageshwwar Rao, PhD (Astrology), Consulting Astrologer · Last reviewed 4 August 2026 · How we compute this
Free mercury sign calculator. Find Mercury's sign, exact position and life area. In astrology, it shows how you think, speak and learn.
Add your birth date, time and place.
Get the planet's Western sign at your birth.
See its sign, exact position and life area.
Read the sources: Ptolemy, Valens or Lilly.
Your Mercury sign is the sign Mercury occupied at your birth. This tool gives its Western sign, exact position and life area.
In astrology, your Mercury sign describes how you think, speak and learn. The sign describes the style; the life area shows where it acts.
Not always. Western signs follow seasons; Vedic signs follow stars. Their starting points are roughly 24° apart, so a planet's sign can differ.
Mercury usually stays in one sign throughout a birth day. Exact times matter near sign changes and for the life area shown.
Your birth place sets the timezone and eastern horizon. Those give the correct birth moment and the planet's life area.
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