The sky on December 3, 1991 — as it really was
That day the Sun stood in Ophiuchus, while the horoscope says "Sagittarius". The gap is 23.8° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 250.8° · sign Sagittarius · constellation Ophiuchus
- ☽︎ Moon — 220.4° · sign Scorpio · constellation Libra
- ☿︎ Mercury — 262.2° · sign Sagittarius · constellation Ophiuchus
- ♀︎ Venus — 206.8° · sign Libra · constellation Virgo
- ♂︎ Mars — 243.1° · sign Sagittarius · constellation Scorpius
- ♃︎ Jupiter — 163.5° · sign Virgo · constellation Leo
- ♄︎ Saturn — 303.0° · sign Aquarius · constellation Capricornus
- ☽︎ Moon 7% 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 crescent, 7% lit; the Moon was 392,100 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
34.8 orbits of the Sun — 32,745 million km, that is 42,592 return trips to the Moon; 12,726 rotations of Earth; with the Sun — 252.9 billion km around the Galactic centre, 9.8 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 374 million km away; today it is 243 million km (closer by 1.5×).
astronomy-engine; checked against JPL Horizons for 2026-09-14 - Solar cycle [ESTIMATE]
That day fell in solar cycle 22, near maximum (53% through the cycle).
SILSO smoothed minima - When the sky repeats [EXACT]
Mars returns to that day’s point of its orbit on August 29, 2027; Jupiter — in 2027.
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 1,728″ since that day; the real constellations now sit 23.8° away from the astrologers’ “signs”.
precession 50.29″/yr
Other dates
Computed from the date only; nothing about you is stored.