Moon Sign Calculator: What the Moon Was Doing

This Moon sign calculator answers one question: which sign the Moon stood in at the moment of your birth, and to what degree. Give it a date, a time and a place.

Calculate your Moon sign

Birth details

Any date between 1800 and 2050.

Local clock time at the birthplace. Daylight saving is applied automatically.

Start typing a city name.

    Enter coordinates manually

    The result shown is a worked example. Replace the details with your own and it updates as you type.

    Moon in Sagittarius5°54′ Sagittarius

    recovers by moving, travelling or planning something distant

    What the Moon sign represents

    Where the Sun sign describes a stated identity and the rising sign describes a first impression, the Moon sign describes something more private: what a person actually needs, underneath any performance, in order to feel emotionally settled. It shows up less in how someone presents and more in how they behave when tired, frightened, or simply alone: the reflexes rather than the intentions.

    Moon sign vs. Moon phase: a common mix-up

    These are two entirely different measurements. The sign is a statement about which of the twelve zodiac constellations the Moon was in front of; it depends on where the Moon was relative to the background stars. The phase is a statement about the angle between the Sun and Moon as seen from Earth (new, waxing, full, waning) and depends only on that angle, not on any sign at all. A natal chart carries both facts independently: this page calculates the sign; a Moon phase or Moon-illumination lookup is a different calculation entirely and is not what is shown here.

    The twelve Moon signs: emotional needs

    Moon in Aries

    settles itself by doing something physical about the problem

    Moon in Taurus

    calms down through comfort, routine and familiar tastes

    Moon in Gemini

    processes what it feels by talking it into words

    Moon in Cancer

    retreats inward first and needs a safe room to come back from

    Moon in Leo

    needs to be seen generously before it can relax

    Moon in Virgo

    steadies itself by fixing one small concrete thing

    Moon in Libra

    needs the peace restored before it can think straight

    Moon in Scorpio

    feels enormously and shows almost none of it

    Moon in Sagittarius

    recovers by moving, travelling or planning something distant

    Moon in Capricorn

    copes by taking responsibility for something

    Moon in Aquarius

    wants distance before it wants comfort

    Moon in Pisces

    takes on the mood of the room and needs time alone to sort out which part was its own

    Frequently asked questions

    Can my Moon sign change during the day I was born?

    Rarely, but yes. It happens whenever a birthday falls close to the roughly two-and-a-half-day window in which the Moon crosses from one sign into the next. The Moon travels twelve to fifteen degrees a day, a full sign in about sixty hours, so most birthdays are nowhere near a boundary and the sign is unambiguous even with an approximate time. Only near a boundary does the exact time start to matter for this specific placement.

    What is the difference between my Moon sign and my Moon phase?

    They are unrelated measurements that happen to both involve the Moon. The Moon sign is which of the twelve zodiac signs the Moon occupied at your birth: a statement about direction against the background stars. The Moon phase is how much of it was lit that night: a statement about the Sun-Moon angle, cycling from new to full and back over about 29.5 days. Two people born under the same full Moon can easily have different Moon signs.

    How is the Moon sign different from the rising sign?

    They describe different things and come from different inputs. The Moon sign is about emotional needs, what makes a person feel safe and settled, and can usually be read from the date alone. The rising sign is about first impressions, the manner a person presents before anyone knows anything else about them, and cannot be found at all without an exact birth time. See the rising sign calculator for that one specifically.

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