The sky on December 17, 1933 — as it really was
That day the Sun stood in Ophiuchus, while the horoscope says "Sagittarius". The gap is 22.9° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 265.1° · sign Sagittarius · constellation Ophiuchus
- ☽︎ Moon — 270.6° · sign Capricorn · constellation Sagittarius
- ☿︎ Mercury — 247.3° · sign Sagittarius · constellation Ophiuchus
- ♀︎ Venus — 310.2° · sign Aquarius · constellation Capricornus
- ♂︎ Mars — 291.7° · sign Capricorn · constellation Sagittarius
- ♃︎ Jupiter — 199.3° · sign Libra · constellation Virgo
- ♄︎ Saturn — 312.9° · sign Aquarius · constellation Capricornus
- ☽︎ Moon 0% 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, 0% lit; the Moon was 356,937 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
92.8 orbits of the Sun — 87,213 million km, that is 113,440 return trips to the Moon; 33,895 rotations of Earth; with the Sun — 673.6 billion km around the Galactic centre, 26 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 329 million km away; today it is 244 million km (closer by 1.3×).
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 January 2, 2028; Jupiter — in 2028; a full moon exactly on this date — December 16, 2032
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 4,644″ 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.