The sky on April 7, 1991 — as it really was
That day the Sun stood in Pisces, while the horoscope says "Aries". The gap is 23.7° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 17.2° · sign Aries · constellation Pisces
- ☽︎ Moon — 289.5° · sign Capricorn · constellation Sagittarius
- ☿︎ Mercury — 28.6° · sign Aries · constellation Pisces
- ♀︎ Venus — 53.5° · sign Taurus · constellation Aries
- ♂︎ Mars — 92.4° · sign Cancer · constellation Gemini
- ♃︎ Jupiter — 123.6° · sign Leo · constellation Cancer
- ♄︎ Saturn — 305.6° · sign Aquarius · constellation Capricornus
- ☽︎ Moon 48% 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]
last quarter, 48% lit; the Moon was 402,619 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
35.5 orbits of the Sun — 33,362 million km, that is 43,395 return trips to the Moon; 12,966 rotations of Earth; with the Sun — 257.7 billion km around the Galactic centre, 9.9 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 238 million km away; today it is 243 million km (farther by 1×).
astronomy-engine; checked against JPL Horizons for 2026-09-14 - Solar cycle [ESTIMATE]
That day fell in solar cycle 22, near maximum (46% through the cycle).
SILSO smoothed minima - When the sky repeats [EXACT]
Mars returns to that day’s point of its orbit on January 1, 2027; Jupiter — in 2027; a full moon exactly on this date — April 7, 2050
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 1,764″ since that day; the real constellations now sit 23.7° away from the astrologers’ “signs”.
precession 50.29″/yr
Other dates
Computed from the date only; nothing about you is stored.