The sky on April 8, 1951 — as it really was
That day the Sun stood in Pisces, while the horoscope says "Aries". The gap is 23.2° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 17.8° · sign Aries · constellation Pisces
- ☽︎ Moon — 41.4° · sign Taurus · constellation Aries
- ☿︎ Mercury — 36.4° · sign Taurus · constellation Aries
- ♀︎ Venus — 51.8° · sign Taurus · constellation Aries
- ♂︎ Mars — 28.6° · sign Aries · constellation Aries
- ♃︎ Jupiter — 357.0° · sign Pisces · constellation Pisces
- ♄︎ Saturn — 177.5° · sign Virgo · constellation Virgo
- ☽︎ Moon 4% 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, 4% lit; the Moon was 398,662 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
75.5 orbits of the Sun — 70,950 million km, that is 92,287 return trips to the Moon; 27,575 rotations of Earth; with the Sun — 548 billion km around the Galactic centre, 21.2 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 243 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 19, 2028; Jupiter — in 2034; a full moon exactly on this date — April 7, 2031
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 3,780″ since that day; the real constellations now sit 23.2° away from the astrologers’ “signs”.
precession 50.29″/yr
Other dates
Computed from the date only; nothing about you is stored.