Mercury Sign Calculator
Type your birth date. Mercury is always in your sun sign or one of the two beside it.
What your Mercury sign is
Mercury is the messenger in astrology: the planet of thinking, speech, writing, learning and short trips. Your Mercury sign is read as your mental style: deciding fast or slowly, preferring facts or feelings, talking in lists or in stories.
Mercury never gets more than about 28 degrees from the Sun. So it is always in your sun sign or one of its two neighbours, and about a third of people have it in the same sign as the Sun. It moves through a sign in two to eight weeks and turns retrograde three times a year for about three weeks each time, which the result marks.
A date is usually enough, and place only sets the time zone. If Mercury crossed into a new sign on your birthday, a missing time leaves two answers, and the result tells you which hour split them.
What each Mercury sign means
| Mercury in | Thinks | Talks |
|---|---|---|
| Aries | Fast, first idea wins | Bluntly |
| Taurus | Slowly, then firmly | Calmly, with few words |
| Gemini | In many directions | All the time, with wit |
| Cancer | Through memory and feeling | Tactfully, with care |
| Leo | In big pictures | Dramatically, with stories |
| Virgo | In detail and order | Precisely |
| Libra | By weighing both sides | Diplomatically |
| Scorpio | Like a detective | Sparingly, to the point |
| Sagittarius | In broad principles | Frankly, with humor |
| Capricorn | Strategically | Formally, with authority |
| Aquarius | Originally, ahead of time | Cleverly, sometimes coolly |
| Pisces | In images and hunches | Poetically, vaguely |
Worked examples
- Born 1990-03-05 in New York, Pisces Sun:
Pisces - Born 1997-03-09 at 01:50 in Mumbai:
15°44′Pisces. - Born 1962-04-15 at 05:20 in São Paulo:
Aries
How this is calculated
Apparent geocentric ecliptic longitude of Mercury of date from astronomy-engine (light-time and aberration applied) at the UTC instant of birth; retrograde from the 24-hour motion.