The sky on December 7, 1981 — as it really was
That day the Sun stood in Ophiuchus, while the horoscope says "Sagittarius". The gap is 23.6° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 255.3° · sign Sagittarius · constellation Ophiuchus
- ☽︎ Moon — 21.2° · sign Aries · constellation Pisces
- ☿︎ Mercury — 253.6° · sign Sagittarius · constellation Ophiuchus
- ♀︎ Venus — 299.0° · sign Capricorn · constellation Capricornus
- ♂︎ Mars — 175.9° · sign Virgo · constellation Virgo
- ♃︎ Jupiter — 212.0° · sign Scorpio · constellation Virgo
- ♄︎ Saturn — 199.7° · sign Libra · constellation Virgo
- ☽︎ Moon 79% 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]
waxing gibbous, 79% lit; the Moon was 367,574 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
44.8 orbits of the Sun — 42,126 million km, that is 54,794 return trips to the Moon; 16,372 rotations of Earth; with the Sun — 325.3 billion km around the Galactic centre, 12.6 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 229 million km away; today it is 245 million km (farther by 1.1×).
astronomy-engine; checked against JPL Horizons for 2026-09-14 - Solar cycle [ESTIMATE]
That day fell in solar cycle 21, near maximum (55% through the cycle).
SILSO smoothed minima - When the sky repeats [EXACT]
Mars returns to that day’s point of its orbit on January 28, 2027; Jupiter — in 2028.
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.