The sky on July 31, 1936 — as it really was
That day the Sun stood in Cancer, while the horoscope says "Leo". The gap is 23.0° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 128.1° · sign Leo · constellation Cancer
- ☽︎ Moon — 274.7° · sign Capricorn · constellation Sagittarius
- ☿︎ Mercury — 136.1° · sign Leo · constellation Cancer
- ♀︎ Venus — 136.9° · sign Leo · constellation Leo
- ♂︎ Mars — 113.6° · sign Cancer · constellation Gemini
- ♃︎ Jupiter — 254.8° · sign Sagittarius · constellation Ophiuchus
- ♄︎ Saturn — 351.9° · sign Pisces · constellation Aquarius
- ☽︎ Moon 92% 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, 92% lit; the Moon was 385,581 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
90.2 orbits of the Sun — 84,750 million km, that is 110,237 return trips to the Moon; 32,938 rotations of Earth; with the Sun — 654.6 billion km around the Galactic centre, 25.3 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 384 million km away; today it is 244 million km (closer by 1.6×).
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 November 11, 2026; Jupiter — in 2031; a full moon exactly on this date — July 31, 2034
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 4,536″ 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.