The sky on October 21, 1970 — as it really was
That day the Sun stood in Virgo, while the horoscope says "Libra". The gap is 23.4° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 207.7° · sign Libra · constellation Virgo
- ☽︎ Moon — 110.8° · sign Cancer · constellation Gemini
- ☿︎ Mercury — 203.7° · sign Libra · constellation Virgo
- ♀︎ Venus — 235.2° · sign Scorpio · constellation Libra
- ♂︎ Mars — 180.7° · sign Libra · constellation Virgo
- ♃︎ Jupiter — 222.4° · sign Scorpio · constellation Libra
- ♄︎ Saturn — 50.8° · sign Taurus · constellation Aries
- ☽︎ Moon 56% 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, 56% lit; the Moon was 397,799 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
56 orbits of the Sun — 52,585 million km, that is 68,398 return trips to the Moon; 20,437 rotations of Earth; with the Sun — 406.1 billion km around the Galactic centre, 15.7 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 372 million km away; today it is 245 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 20, 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 March 25, 2027; Jupiter — in 2029; a full moon exactly on this date — October 21, 2059
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 2,808″ 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.