The sky on September 8, 1940 — 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 — 165.7° · sign Virgo · constellation Leo
- ☽︎ Moon — 251.7° · sign Sagittarius · constellation Ophiuchus
- ☿︎ Mercury — 169.3° · sign Virgo · constellation Leo
- ♀︎ Venus — 119.8° · sign Cancer · constellation Cancer
- ♂︎ Mars — 162.6° · sign Virgo · constellation Leo
- ♃︎ Jupiter — 45.7° · sign Taurus · constellation Aries
- ♄︎ Saturn — 44.6° · sign Taurus · constellation Aries
- ☽︎ Moon 47% 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]
first quarter, 47% lit; the Moon was 377,235 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
86.1 orbits of the Sun — 80,891 million km, that is 105,217 return trips to the Moon; 31,439 rotations of Earth; with the Sun — 624.7 billion km around the Galactic centre, 24.1 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 399 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 March 17, 2027; Jupiter — in 2035; a full moon exactly on this date — September 7, 2063
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 4,320″ 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.