The sky on October 23, 1927 — as it really was
That day the Sun stood in Virgo, while the horoscope says "Libra". The gap is 22.9° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 209.1° · sign Libra · constellation Virgo
- ☽︎ Moon — 185.7° · sign Libra · constellation Virgo
- ☿︎ Mercury — 232.9° · sign Scorpio · constellation Libra
- ♀︎ Venus — 166.5° · sign Virgo · constellation Leo
- ♂︎ Mars — 208.3° · sign Libra · constellation Virgo
- ♃︎ Jupiter — 354.9° · sign Pisces · constellation Pisces
- ♄︎ Saturn — 245.5° · sign Sagittarius · constellation Scorpius
- ☽︎ Moon 4% 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, 4% lit; the Moon was 405,768 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
99 orbits of the Sun — 92,995 million km, that is 120,961 return trips to the Moon; 36,143 rotations of Earth; with the Sun — 718.2 billion km around the Galactic centre, 27.7 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 388 million km away; today it is 244 million km (closer by 1.6×).
astronomy-engine; checked against JPL Horizons for 2026-09-14 - When the sky repeats [EXACT]
Mars returns to that day’s point of its orbit on June 30, 2027; Jupiter — in 2034; a full moon exactly on this date — October 23, 2056
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 4,968″ since that day; the real constellations now sit 22.9° away from the astrologers’ “signs”.
precession 50.29″/yr
Other dates
Computed from the date only; nothing about you is stored.