The sky on September 13, 1952 — as it really was
That day the Sun stood in Leo, while the horoscope says "Virgo". The gap is 23.2° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 170.6° · sign Virgo · constellation Leo
- ☽︎ Moon — 107.3° · sign Cancer · constellation Gemini
- ☿︎ Mercury — 160.8° · sign Virgo · constellation Leo
- ♀︎ Venus — 192.5° · sign Libra · constellation Virgo
- ♂︎ Mars — 250.4° · sign Sagittarius · constellation Ophiuchus
- ♃︎ Jupiter — 51.0° · sign Taurus · constellation Aries
- ♄︎ Saturn — 194.6° · sign Libra · constellation Virgo
- ☽︎ Moon 28% 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]
waning crescent, 28% lit; the Moon was 403,137 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
74.1 orbits of the Sun — 69,598 million km, that is 90,528 return trips to the Moon; 27,049 rotations of Earth; with the Sun — 537.5 billion km around the Galactic centre, 20.8 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 177 million km away; today it is 245 million km (farther by 1.4×).
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 December 8, 2027; Jupiter — in 2035; a full moon exactly on this date — September 13, 2057
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 3,708″ 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.