The sky on July 17, 1934 — as it really was
That day the Sun stood in Gemini, while the horoscope says "Cancer". The gap is 22.9° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 114.2° · sign Cancer · constellation Gemini
- ☽︎ Moon — 177.5° · sign Virgo · constellation Virgo
- ☿︎ Mercury — 105.2° · sign Cancer · constellation Gemini
- ♀︎ Venus — 82.5° · sign Gemini · constellation Taurus
- ♂︎ Mars — 91.1° · sign Cancer · constellation Gemini
- ♃︎ Jupiter — 195.2° · sign Libra · constellation Virgo
- ♄︎ Saturn — 327.0° · sign Aquarius · constellation Aquarius
- ☽︎ 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]
waxing crescent, 28% lit; the Moon was 397,476 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
92.2 orbits of the Sun — 86,667 million km, that is 112,730 return trips to the Moon; 33,683 rotations of Earth; with the Sun — 669.4 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 362 million km away; today it is 244 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 August 1, 2028; Jupiter — in 2029.
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 4,644″ since that day; the real constellations now sit 22.9° away from the astrologers’ “signs”.
precession 50.29″/yr
Other dates
Computed from the date only; nothing about you is stored.