The sky on December 3, 1945 — as it really was
That day the Sun stood in Ophiuchus, while the horoscope says "Sagittarius". The gap is 23.1° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 251.0° · sign Sagittarius · constellation Ophiuchus
- ☽︎ Moon — 237.3° · sign Scorpio · constellation Libra
- ☿︎ Mercury — 260.0° · sign Sagittarius · constellation Ophiuchus
- ♀︎ Venus — 236.6° · sign Scorpio · constellation Libra
- ♂︎ Mars — 123.2° · sign Leo · constellation Cancer
- ♃︎ Jupiter — 200.6° · sign Libra · constellation Virgo
- ♄︎ Saturn — 114.2° · sign Cancer · constellation Gemini
- ☽︎ Moon 1% 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]
new moon, 1% lit; the Moon was 405,145 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
80.8 orbits of the Sun — 75,973 million km, that is 98,820 return trips to the Moon; 29,527 rotations of Earth; with the Sun — 586.8 billion km around the Galactic centre, 22.7 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 116 million km away; today it is 243 million km (farther by 2.1×).
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 19, 2026; Jupiter — in 2028.
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 4,068″ 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.