The sky on April 13, 1946 — as it really was
That day the Sun stood in Pisces, while the horoscope says "Aries". The gap is 23.1° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 23.0° · sign Aries · constellation Pisces
- ☽︎ Moon — 169.5° · sign Virgo · constellation Leo
- ☿︎ Mercury — 358.5° · sign Pisces · constellation Pisces
- ♀︎ Venus — 40.4° · sign Taurus · constellation Aries
- ♂︎ Mars — 116.1° · sign Cancer · constellation Gemini
- ♃︎ Jupiter — 202.4° · sign Libra · constellation Virgo
- ♄︎ Saturn — 108.5° · sign Cancer · constellation Gemini
- ☽︎ Moon 92% 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 gibbous, 92% lit; the Moon was 394,225 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
80.5 orbits of the Sun — 75,631 million km, that is 98,376 return trips to the Moon; 29,394 rotations of Earth; with the Sun — 584.1 billion km around the Galactic centre, 22.6 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 191 million km away; today it is 245 million km (farther by 1.3×).
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 February 27, 2027; Jupiter — in 2029; a full moon exactly on this date — April 13, 2063
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 4,032″ since that day; the real constellations now sit 23.1° away from the astrologers’ “signs”.
precession 50.29″/yr
Other dates
Computed from the date only; nothing about you is stored.