The sky on May 13, 1982 — as it really was
That day the Sun stood in Aries, while the horoscope says "Taurus". The gap is 23.6° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 52.4° · sign Taurus · constellation Aries
- ☽︎ Moon — 292.2° · sign Capricorn · constellation Sagittarius
- ☿︎ Mercury — 72.8° · sign Gemini · constellation Taurus
- ♀︎ Venus — 10.1° · sign Aries · constellation Cetus
- ♂︎ Mars — 180.4° · sign Libra · constellation Virgo
- ♃︎ Jupiter — 213.3° · sign Scorpio · constellation Virgo
- ♄︎ Saturn — 196.5° · sign Libra · constellation Virgo
- ☽︎ Moon 75% illuminated
astronomy-engine ephemerides (VSOP87/ELP), IAU 1930 constellation boundaries. Positions accurate to a fraction of a degree.
The day’s dossier, from real data
Checkable facts with a tag and a source; the classical reading is in the chart.
- The Moon that day [EXACT]
waning gibbous, 75% lit; the Moon was 403,794 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
44.4 orbits of the Sun — 41,721 million km, that is 54,268 return trips to the Moon; 16,215 rotations of Earth; with the Sun — 322.2 billion km around the Galactic centre, 12.4 light-days.
29.78 km/s along the orbit; 230 km/s around the Galactic centre - Mars then and now [EXACT]
On that day Mars was 114 million km away; today it is 246 million km (farther by 2.2×).
astronomy-engine; checked against JPL Horizons for 2026-09-14 - Solar cycle [ESTIMATE]
That day fell in solar cycle 21, near maximum (59% through the cycle).
SILSO smoothed minima - When the sky repeats [EXACT]
Mars returns to that day’s point of its orbit on July 4, 2027; Jupiter — in 2029; a full moon exactly on this date — May 12, 2063
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 2,232″ since that day; the real constellations now sit 23.6° away from the astrologers’ “signs”.
precession 50.29″/yr
Other dates
Computed from the date only; nothing about you is stored.