The sky on September 12, 1936 — as it really was
That day the Sun stood in Leo, while the horoscope says "Virgo". The gap is 23.0° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 169.5° · sign Virgo · constellation Leo
- ☽︎ Moon — 132.6° · sign Leo · constellation Cancer
- ☿︎ Mercury — 194.9° · sign Libra · constellation Virgo
- ♀︎ Venus — 190.0° · sign Libra · constellation Virgo
- ♂︎ Mars — 141.1° · sign Leo · constellation Leo
- ♃︎ Jupiter — 256.1° · sign Sagittarius · constellation Ophiuchus
- ♄︎ Saturn — 349.1° · sign Pisces · constellation Aquarius
- ☽︎ Moon 10% 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, 10% lit; the Moon was 392,525 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
90.1 orbits of the Sun — 84,641 million km, that is 110,095 return trips to the Moon; 32,896 rotations of Earth; with the Sun — 653.7 billion km around the Galactic centre, 25.2 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 367 million km away; today it is 243 million km (closer by 1.5×).
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 24, 2026; Jupiter — in 2031; a full moon exactly on this date — September 11, 2030
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 4,500″ 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.