The sky on November 17, 1930 — as it really was
That day the Sun stood in Libra, while the horoscope says "Scorpio". The gap is 22.9° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 234.4° · sign Scorpio · constellation Libra
- ☽︎ Moon — 196.8° · sign Libra · constellation Virgo
- ☿︎ Mercury — 240.4° · sign Sagittarius · constellation Scorpius
- ♀︎ Venus — 242.8° · sign Sagittarius · constellation Scorpius
- ♂︎ Mars — 131.4° · sign Leo · constellation Cancer
- ♃︎ Jupiter — 110.4° · sign Cancer · constellation Gemini
- ♄︎ Saturn — 278.8° · sign Capricorn · constellation Sagittarius
- ☽︎ Moon 10% 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, 10% lit; the Moon was 371,290 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
95.9 orbits of the Sun — 90,111 million km, that is 117,210 return trips to the Moon; 35,022 rotations of Earth; with the Sun — 696 billion km around the Galactic centre, 26.9 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 154 million km away; today it is 244 million km (farther 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 October 20, 2026; Jupiter — in 2037; a full moon exactly on this date — November 17, 2032
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 4,824″ 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.