Your birth chart, beautifully explained.

Discover your Sun, Moon, and rising signs free. Unlock your complete chart and personal reading for $6.95, one time.

Birth date
How certain is your birth time?
Local birth time
AM or PM

Choose AM for before noon or PM for noon and after.

    Type a city or postal code, then use arrow keys and Enter to select. Include the region if needed.

    No signup. Complete chart and reading: $6.95. One-time purchase. No subscription.

    • Free: your Sun, Moon and rising signs. No signup.
    • Full reading: chart wheel, houses, aspects and PDF.
    • $6.95 once. No subscription.

    See how the pieces connect.

    Fig. 01 · A moment, mappedFictional sample
    Calculated chart wheelTropical zodiac, Whole Sign houses. Exact positions are in the adjacent tables. Planet discs show degrees and R for retrograde. AC and MC locate the horizon and meridian. Patterned lines distinguish aspects. Birth Moon: Waning gibbous, 96 percent illuminated, computed from Sun and Moon longitudes.101112123456789Sun conjunct VenusMidheaven square Moon, orb 6.64 degreesJupiter conjunct MoonAscendant square Pluto, orb 2.53 degreesNeptune opposition Sun, orb 5.65 degreesPluto trine Sun, orb 4.92 degreesMercury sextile Midheaven, orb 4.54 degreesMars conjunct SaturnJupiter sextile Mars, orb 1.98 degreesMercury opposition Uranus, orb 4.35 degreesNeptune opposition Venus, orb 5.77 degreesPluto trine Venus, orb 5.04 degrees29°R10°R11°R11°R0°R9°R17°15°24°24°ACDCMCICBIRTH MOON
    1. 01

      Purpose & direction

      The central thread of what feels worth becoming.

    2. 02

      Comfort & rhythm

      The familiar ways you find your footing.

    3. 03

      A way of beginning

      The rising sign meets the world at the horizon.

    The real wheel renderer, drawing Robin’s fictional chart. Three starting points in one connected picture.

    A birth chart maps a particular moment in the sky. Your reading connects its placements, houses, and aspects into themes you can explore, with reflection questions grounded in the actual chart.

    Astrology offers a symbolic framework for reflection. Bring your own experience to it.

    See our calculation method

    A reading you can spend time with.

    Fig. 02 · Made to keepWeb + PDF
    A page from the fictional PDF, with a numbered section and connected chart interpretationRobin’s fictional birth chart PDF cover, with Big Three medallions and a full chart wheelYOUR CHART
    YOUR READING
    A little perspective.
    A real sample PDF: a personal cover, ten connected sections, chart tables, and space to return to an idea.

    Your Gemini Sun lights up the exchange between one idea and another. A useful question can turn a passing conversation into a direction, and purpose can emerge through the pleasure of discovering a connection you could not have seen from one viewpoint alone.

    Sun conjunct Venus joins personal expression with a feeling for what is pleasing. The way a room is arranged, an invitation is made, or a project is presented becomes part of its meaning, giving purpose a welcoming and recognizable form.

    From our fictional sample, showing a Sun placement and a connection between planets.
    Read the full fictional sample
    1. Step 01↗

      Bring your birth details.

      Date, local time, and city. No signup and no extra questions.

    2. Step 02↗

      Meet your Big Three.

      A free personal starting point, with clear limits when the time is uncertain.

    3. Step 03↗

      Open the whole picture.

      Your complete wheel, connected reading, and a PDF to keep.

    Before you begin.

    What is a birth chart?

    A birth chart, or natal chart, is a map of where the Sun, Moon, and planets were in the zodiac at the moment and place you were born, as seen from Earth. Astrologers read it as a symbolic picture: signs describe styles, houses describe areas of life, and the angles between planets describe how those themes interact. Calculating one needs your birth date, time, and city.

    Can I get my birth chart for free?

    Yes. LunarOtter calculates your Sun, Moon, and rising signs free, with a short personal interpretation and no signup. Enter your birth date, local time, and city. If you want more, the complete chart wheel, placement and aspect tables, connected written reading, and PDF cost $6.95 once, with no subscription. If your birth time is unknown, the free result shows only what the date supports.

    How accurate are online birth chart calculators?

    Planetary positions are well understood astronomy, so calculators built on a good ephemeris agree closely. Most differences come from inputs and settings: a wrong birth time, AM and PM mixed up, a historical time zone handled incorrectly, or a different house system or zodiac. LunarOtter resolves the historical time zone for your city and date, checks its engine against NASA/JPL Horizons data, and publishes its method.

    Is astrology scientifically proven?

    No. Astrology is not an established science, and LunarOtter does not claim that a chart predicts events or measures personality. The astronomy in a chart is real: positions are calculated from actual planetary motion. The meanings attached to those positions come from astrological tradition, which many people use as a vocabulary for reflection. We keep those two kinds of claims separate.

    What do I need to calculate my birth chart?

    Three things: your birth date, your local birth time, and the city where you were born. The date sets the Sun sign and most planet positions. The time and city set the rising sign, the houses, and sometimes the Moon sign. If you know only an approximate time, enter a window such as plus or minus 30 minutes, and the calculator checks whether the result stays the same across it.

    What can I see for free?

    Your supported Sun, Moon, and rising signs, plus a short personal interpretation. The complete chart wheel, placement tables, connected reading, and PDF are included in the paid product.

    What if I do not know my birth time?

    Choose “I don’t know.” We check the whole local day and show the Sun and Moon information it supports. We do not invent a rising sign or houses, and do not offer the complete reading for purchase without supported details.

    How do I get back to my purchase?

    Use the email you enter at checkout to request a fresh access link on the recovery page. It opens your retained saved reading on any device, without creating an account.

    Is this a prediction?

    A birth chart is a symbolic framework for reflection. The reading connects astrological themes and questions to the calculated chart, rather than predicting events.

    More help · Recover a reading