The sky on October 20, 1938 — as it really was
That day the Sun stood in Virgo, while the horoscope says "Libra". The gap is 23.0° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 206.4° · sign Libra · constellation Virgo
- ☽︎ Moon — 170.4° · sign Virgo · constellation Leo
- ☿︎ Mercury — 213.2° · sign Scorpio · constellation Virgo
- ♀︎ Venus — 243.0° · sign Sagittarius · constellation Scorpius
- ♂︎ Mars — 177.0° · sign Virgo · constellation Virgo
- ♃︎ Jupiter — 322.4° · sign Aquarius · constellation Capricornus
- ♄︎ Saturn — 13.7° · sign Aries · constellation Pisces
- ☽︎ 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 374,572 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
88 orbits of the Sun — 82,664 million km, that is 107,524 return trips to the Moon; 32,128 rotations of Earth; with the Sun — 638.4 billion km around the Galactic centre, 24.6 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 368 million km away; today it is 244 million km (closer by 1.5×).
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 March 15, 2027; Jupiter — in 2033; a full moon exactly on this date — October 20, 2040
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 4,428″ since that day; the real constellations now sit 23° away from the astrologers’ “signs”.
precession 50.29″/yr
Other dates
Computed from the date only; nothing about you is stored.