The sky on April 21, 1934 — as it really was
That day the Sun stood in Aries, while the horoscope says "Taurus". The gap is 22.9° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 30.7° · sign Taurus · constellation Aries
- ☽︎ Moon — 116.5° · sign Cancer · constellation Cancer
- ☿︎ Mercury — 9.8° · sign Aries · constellation Cetus
- ♀︎ Venus — 344.5° · sign Pisces · constellation Aquarius
- ♂︎ Mars — 29.1° · sign Aries · constellation Aries
- ♃︎ Jupiter — 196.7° · sign Libra · constellation Virgo
- ♄︎ Saturn — 326.3° · sign Aquarius · constellation Aquarius
- ☽︎ Moon 46% 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, 46% lit; the Moon was 404,089 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
92.5 orbits of the Sun — 86,888 million km, that is 113,017 return trips to the Moon; 33,769 rotations of Earth; with the Sun — 671.1 billion km around the Galactic centre, 25.9 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 364 million km away; today it is 245 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 May 6, 2028; Jupiter — in 2029; a full moon exactly on this date — April 20, 2027
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.