The sky on April 9, 1975 — as it really was
That day the Sun stood in Pisces, while the horoscope says "Aries". The gap is 23.5° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 19.0° · sign Aries · constellation Pisces
- ☽︎ Moon — 354.6° · sign Pisces · constellation Pisces
- ☿︎ Mercury — 9.3° · sign Aries · constellation Cetus
- ♀︎ Venus — 54.7° · sign Taurus · constellation Taurus
- ♂︎ Mars — 328.2° · sign Aquarius · constellation Aquarius
- ♃︎ Jupiter — 5.3° · sign Aries · constellation Pisces
- ♄︎ Saturn — 102.6° · sign Cancer · constellation Gemini
- ☽︎ Moon 5% 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]
waning crescent, 5% lit; the Moon was 404,350 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
51.5 orbits of the Sun — 48,393 million km, that is 62,946 return trips to the Moon; 18,808 rotations of Earth; with the Sun — 373.8 billion km around the Galactic centre, 14.4 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 271 million km away; today it is 243 million km (closer by 1.1×).
astronomy-engine; checked against JPL Horizons for 2026-09-14 - Solar cycle [ESTIMATE]
That day fell in solar cycle 20, on the decline (92% through the cycle).
SILSO smoothed minima - When the sky repeats [EXACT]
Mars returns to that day’s point of its orbit on December 7, 2027; Jupiter — in 2034; a full moon exactly on this date — April 9, 2028
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 2,592″ since that day; the real constellations now sit 23.5° away from the astrologers’ “signs”.
precession 50.29″/yr
Other dates
Computed from the date only; nothing about you is stored.