The sky on September 13, 1934 — as it really was
That day the Sun stood in Leo, while the horoscope says "Virgo". The gap is 22.9° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 170.0° · sign Virgo · constellation Leo
- ☽︎ Moon — 222.3° · sign Scorpio · constellation Libra
- ☿︎ Mercury — 185.0° · sign Libra · constellation Virgo
- ♀︎ Venus — 152.9° · sign Virgo · constellation Leo
- ♂︎ Mars — 128.8° · sign Leo · constellation Cancer
- ♃︎ Jupiter — 204.3° · sign Libra · constellation Virgo
- ♄︎ Saturn — 323.0° · sign Aquarius · constellation Capricornus
- ☽︎ Moon 20% 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 crescent, 20% lit; the Moon was 385,806 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
92.1 orbits of the Sun — 86,516 million km, that is 112,533 return trips to the Moon; 33,624 rotations of Earth; with the Sun — 668.2 billion km around the Galactic centre, 25.8 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 332 million km away; today it is 245 million km (closer 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 November 11, 2026; Jupiter — in 2029; 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 4,608″ 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.