The sky on October 21, 1942 — as it really was
That day the Sun stood in Virgo, while the horoscope says "Libra". The gap is 23.1° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 207.5° · sign Libra · constellation Virgo
- ☽︎ Moon — 355.2° · sign Pisces · constellation Pisces
- ☿︎ Mercury — 190.8° · sign Libra · constellation Virgo
- ♀︎ Venus — 200.9° · sign Libra · constellation Virgo
- ♂︎ Mars — 202.4° · sign Libra · constellation Virgo
- ♃︎ Jupiter — 114.4° · sign Cancer · constellation Gemini
- ♄︎ Saturn — 71.9° · sign Gemini · constellation Taurus
- ☽︎ Moon 92% 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]
waxing gibbous, 92% lit; the Moon was 382,061 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
84 orbits of the Sun — 78,899 million km, that is 102,626 return trips to the Moon; 30,664 rotations of Earth; with the Sun — 609.4 billion km around the Galactic centre, 23.5 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 390 million km away; today it is 245 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 11, 2027; Jupiter — in 2037; 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 4,212″ since that day; the real constellations now sit 23.1° away from the astrologers’ “signs”.
precession 50.29″/yr
Other dates
Computed from the date only; nothing about you is stored.