The sky on December 6, 1954 — as it really was
That day the Sun stood in Ophiuchus, while the horoscope says "Sagittarius". The gap is 23.2° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 253.8° · sign Sagittarius · constellation Ophiuchus
- ☽︎ Moon — 24.2° · sign Aries · constellation Pisces
- ☿︎ Mercury — 243.4° · sign Sagittarius · constellation Scorpius
- ♀︎ Venus — 224.7° · sign Scorpio · constellation Libra
- ♂︎ Mars — 331.5° · sign Pisces · constellation Aquarius
- ♃︎ Jupiter — 119.3° · sign Cancer · constellation Cancer
- ♄︎ Saturn — 225.8° · sign Scorpio · constellation Libra
- ☽︎ Moon 82% 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, 82% lit; the Moon was 363,978 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
71.8 orbits of the Sun — 67,507 million km, that is 87,808 return trips to the Moon; 26,237 rotations of Earth; with the Sun — 521.4 billion km around the Galactic centre, 20.1 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 185 million km away; today it is 244 million km (farther by 1.3×).
astronomy-engine; checked against JPL Horizons for 2026-09-14 - Solar cycle [ESTIMATE]
That day fell in solar cycle 19, right at the minimum (7% through the cycle).
SILSO smoothed minima - When the sky repeats [EXACT]
Mars returns to that day’s point of its orbit on April 13, 2028; Jupiter — in 2037; a full moon exactly on this date — December 6, 2033
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 3,600″ since that day; the real constellations now sit 23.2° away from the astrologers’ “signs”.
precession 50.29″/yr
Other dates
Computed from the date only; nothing about you is stored.