Lilith Sign Calculator, Find Your Lilith Sign and House
Enter your birth date, time and city to calculate your exact Black Moon Lilith sign, degree and house placement, with both mean and true Lilith positions.
No birth time or city? Your Lilith sign stays accurate, the house needs both.
Your Black Moon Lilith Is In
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What Is a Lilith Sign?
Your Lilith sign is where Black Moon Lilith sat in the zodiac when you were born. Black Moon Lilith is not a planet or an asteroid: it is the empty far focus of the Moon's orbit, the point where the Moon swings farthest from the Earth. In astrology this invisible point carries the archetype of the first woman who refused to submit, and it marks the place in your chart where you hide your rawest desires, your anger, and the power you were taught to apologize for.
Where your Sun sign describes who you are in daylight, your Lilith sign describes who you are when nobody is allowed to watch. It shows what you crave but suppress, where you attract intensity, and where reclaiming yourself feels most dangerous and most necessary.
How This Lilith Sign Calculator Works
The calculator converts your birth date and time to universal time, then computes the position of the lunar apogee along the ecliptic for that exact moment, using the standard astronomical series for the Moon's orbit. That gives your mean Lilith sign and exact degree. It also derives the true (osculating) Lilith position from the Moon's actual perturbed orbit, and, if you add your birth city, it computes your ascendant from your coordinates and time zone history and places Lilith in one of the twelve whole sign houses. Everything runs instantly in your browser, free, with no sign up and no email required.
True Lilith vs Mean Lilith, Which One Should You Use?
The Moon's orbit is constantly pulled around by the Sun, so astrologers use two versions of Lilith. Mean Lilith averages the orbit into a smooth ellipse: it moves steadily, about 40 degrees per year, completing the zodiac in roughly 8 years and 10 months. True Lilith (the osculating apogee) follows the real, wobbling orbit and can swing up to about 30 degrees away from the mean position, sometimes even sitting in a different sign for a while.
Most published Lilith tables, most astrology software defaults, and most interpretation articles use mean Lilith, so we show it as your primary result. If your true Lilith lands in a different sign, read both descriptions: many astrologers experience the truth as living somewhere between the two.
Lilith Through the Twelve Houses
The sign tells you how your Lilith expresses itself; the house tells you where in life it happens. This is why a full Lilith reading needs your birth time and city, and why our calculator includes the house placement most Lilith tools skip.
Lilith in the Signs, a Quick Reference
After you calculate your placement above, the result includes a focused interpretation of your sign. For the full essay on each of the twelve Lilith signs, from her wound to her reclaiming path, visit our Black Moon Lilith calculator and sign meanings guide.
Go Deeper Than the Calculator
A calculator can locate Lilith; it cannot tell you what she has lived through in your life. If you want the full story, our personalized Black Moon Lilith reading is written for your exact placement, your sign, degree and house, and emailed to you. You can also map Lilith alongside every planet with the free birth chart calculator, or start with your Sun, Moon and Rising signs.
Lilith Sign Calculator FAQ
It is the zodiac sign the lunar apogee (Black Moon Lilith) occupied at your birth. Lilith stays about nine months in each sign, so your birth date almost always determines it. Use the calculator above to see your sign, exact degree and house.
You would need the longitude of the lunar apogee for your birth date, which moves about 40 degrees per year, plus a conversion of your birth time to universal time. In practice everyone uses an ephemeris or a calculator like this one, which does the astronomy for you, free.
Both are real calculations of the same point. Mean Lilith smooths the orbit and is the common standard; true Lilith tracks the actual perturbed orbit and oscillates around the mean. We show mean first and true beside it, so you can compare.
The house is the life arena where your Lilith themes concentrate: 1st house identity, 7th house partnership, 10th house career and reputation, and so on. Houses require your birth time and city because they hang on your rising sign.
Not for the sign. Lilith moves so slowly that the date alone nearly always fixes your sign, and we default to noon. You only need a time and city for the house placement and rising sign.
This tool is dedicated to Lilith. To see Lilith together with Venus, Chiron and every planet in one map, run your full birth chart.
