The sky on November 21, 1939 — as it really was
That day the Sun stood in Libra, while the horoscope says "Scorpio". The gap is 23.0° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 238.3° · sign Scorpio · constellation Libra
- ☽︎ Moon — 355.7° · sign Pisces · constellation Pisces
- ☿︎ Mercury — 253.2° · sign Sagittarius · constellation Ophiuchus
- ♀︎ Venus — 257.9° · sign Sagittarius · constellation Ophiuchus
- ♂︎ Mars — 331.2° · sign Pisces · constellation Aquarius
- ♃︎ Jupiter — 358.9° · sign Pisces · constellation Pisces
- ♄︎ Saturn — 25.6° · sign Aries · constellation Pisces
- ☽︎ Moon 73% 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, 73% lit; the Moon was 402,469 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
86.9 orbits of the Sun — 81,639 million km, that is 106,190 return trips to the Moon; 31,729 rotations of Earth; with the Sun — 630.5 billion km around the Galactic centre, 24.3 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 143 million km away; today it is 246 million km (farther by 1.7×).
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 April 15, 2028; Jupiter — in 2034; a full moon exactly on this date — November 21, 2029
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 4,356″ 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.