The sky on April 27, 1975 — as it really was
That day the Sun stood in Aries, while the horoscope says "Taurus". The gap is 23.5° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 36.6° · sign Taurus · constellation Aries
- ☽︎ Moon — 238.7° · sign Scorpio · constellation Libra
- ☿︎ Mercury — 46.5° · sign Taurus · constellation Aries
- ♀︎ Venus — 75.9° · sign Gemini · constellation Taurus
- ♂︎ Mars — 342.0° · sign Pisces · constellation Aquarius
- ♃︎ Jupiter — 9.5° · sign Aries · constellation Pisces
- ♄︎ Saturn — 103.7° · sign Cancer · constellation Gemini
- ☽︎ Moon 96% 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]
full moon, 96% lit; the Moon was 374,082 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
51.4 orbits of the Sun — 48,346 million km, that is 62,886 return trips to the Moon; 18,790 rotations of Earth; with the Sun — 373.4 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 256 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 (93% through the cycle).
SILSO smoothed minima - When the sky repeats [EXACT]
Mars returns to that day’s point of its orbit on December 25, 2027; Jupiter — in 2034; a full moon exactly on this date — April 27, 2040
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.