The sky on October 11, 1971 — as it really was
That day the Sun stood in Virgo, while the horoscope says "Libra". The gap is 23.5° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 197.5° · sign Libra · constellation Virgo
- ☽︎ Moon — 110.7° · sign Cancer · constellation Gemini
- ☿︎ Mercury — 199.6° · sign Libra · constellation Virgo
- ♀︎ Venus — 209.4° · sign Libra · constellation Virgo
- ♂︎ Mars — 318.2° · sign Aquarius · constellation Capricornus
- ♃︎ Jupiter — 244.8° · sign Sagittarius · constellation Scorpius
- ♄︎ Saturn — 66.1° · sign Gemini · constellation Taurus
- ☽︎ Moon 47% 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]
last quarter, 47% lit; the Moon was 387,685 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
55 orbits of the Sun — 51,675 million km, that is 67,215 return trips to the Moon; 20,083 rotations of Earth; with the Sun — 399.1 billion km around the Galactic centre, 15.4 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 87 million km away; today it is 244 million km (farther by 2.8×).
astronomy-engine; checked against JPL Horizons for 2026-09-14 - Solar cycle [ESTIMATE]
That day fell in solar cycle 20, on the decline (62% through the cycle).
SILSO smoothed minima - When the sky repeats [EXACT]
Mars returns to that day’s point of its orbit on March 14, 2028; Jupiter — in 2030; a full moon exactly on this date — October 11, 2030
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 2,736″ since that day; the real constellations now sit 23.5° away from the astrologers’ “signs”.
precession 50.29″/yr
Other dates
Computed from the date only; nothing about you is stored.