Taylor Swift's Birth Moon

One of the best-selling music artists of all time, known for her narrative songwriting.

13 December 1989

Full Moon

99.0% illuminated

Singer-songwriter

On 13 December 1989 the moon was 16 days in, with the light beginning to withdraw, showing 99.0% of its face. That month's full moon — traditionally called the Cold Moon — had passed 1 day earlier, on 12 December 1989.

The sky on 13 December 1989

Geocentric positions in the tropical zodiac, computed for midday UTC.

☉SunSagittarius ♐

☽MoonCancer ♋

☿MercuryCapricorn ♑

♀VenusAquarius ♒

♂MarsScorpio ♏

♃JupiterCancer ♋℞

♄SaturnCapricorn ♑

♅UranusCapricorn ♑

♆NeptuneCapricorn ♑

Jupiter was retrograde that day — appearing, from Earth, to move backwards against the stars. It is an effect of the two planets' relative speeds rather than a change in direction, and astrologers read it as a period of review rather than progress.

Moon in Cancer ♋

The moon was passing through Cancer on 13 December 1989, while the sun sat in Sagittarius — which is why Taylor Swift's star sign is Sagittarius. The two rarely coincide: the sun takes a month to cross a sign and the moon takes about two and a half days.

Where the sun sign is read as the outward character, the moon sign is read as the emotional register underneath it — the part that runs tidal, with a strong pull towards home and towards the people it has decided are family.

Aspects that day

Aspects are the angles bodies form with each other. These were within orb on 13 December 1989:

Moon opposite MercuryMoon conjunct JupiterMercury opposite JupiterMercury conjunct SaturnVenus sextile MarsJupiter opposite Saturn

What a Full Moon birth moon means

The culmination of the cycle. Emotions run high and clarity arrives. Release whatever you have been carrying that was never truly yours.

Traits of the Full Moon

Full Moon births carry an intensity, magnetism, and emotional depth that others feel immediately. They live life with full expression — their highs are electric and their emotions run true. Taylor Swift has the natural radiance of a Full Moon birth: impossible to ignore, deeply felt by those around them.

How to read all this

Every figure on this page is calculated from Taylor Swift's date of birth — the phase, the illumination percentage, the positions and the aspects are astronomy, and they would be the same whoever was born that day. The character readings attached to them are symbolic tradition, not measurement, and are best treated as prompts for reflection rather than claims about a person.

Two things are deliberately missing. Without a birth time we cannot give a rising sign or house placements, since both change through the day — the ascendant shifts roughly every two hours. And without a birthplace there are no moonrise or moonset times, which depend on latitude. Anywhere you see those quoted for a public figure without a documented birth certificate time, treat them with caution.

What was YOUR birth moon phase?

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