The sky on July 21, 1934 — as it really was
That day the Sun stood in Cancer — sign and constellation agree here.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 118.0° · sign Cancer · constellation Cancer
- ☽︎ Moon — 229.3° · sign Scorpio · constellation Libra
- ☿︎ Mercury — 104.2° · sign Cancer · constellation Gemini
- ♀︎ Venus — 87.3° · sign Gemini · constellation Orion
- ♂︎ Mars — 93.8° · sign Cancer · constellation Gemini
- ♃︎ Jupiter — 195.6° · sign Libra · constellation Virgo
- ♄︎ Saturn — 326.8° · sign Aquarius · constellation Aquarius
- ☽︎ Moon 68% 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, 68% lit; the Moon was 376,109 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
92.2 orbits of the Sun — 86,653 million km, that is 112,712 return trips to the Moon; 33,678 rotations of Earth; with the Sun — 669.2 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 361 million km away; today it is 246 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 5, 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.