The sky on May 21, 1974 — as it really was
That day the Sun stood in Taurus, while the horoscope says "Gemini". The gap is 23.5° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 60.1° · sign Gemini · constellation Taurus
- ☽︎ Moon — 55.3° · sign Taurus · constellation Taurus
- ☿︎ Mercury — 78.0° · sign Gemini · constellation Taurus
- ♀︎ Venus — 18.7° · sign Aries · constellation Pisces
- ♂︎ Mars — 108.7° · sign Cancer · constellation Gemini
- ♃︎ Jupiter — 344.5° · sign Pisces · constellation Aquarius
- ♄︎ Saturn — 93.3° · sign Cancer · constellation Gemini
- ☽︎ Moon 0% 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]
new moon, 0% lit; the Moon was 370,760 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
52.4 orbits of the Sun — 49,219 million km, that is 64,021 return trips to the Moon; 19,129 rotations of Earth; with the Sun — 380.1 billion km around the Galactic centre, 14.7 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 320 million km away; today it is 245 million km (closer by 1.3×).
astronomy-engine; checked against JPL Horizons for 2026-09-14 - Solar cycle [ESTIMATE]
That day fell in solar cycle 20, on the decline (84% through the cycle).
SILSO smoothed minima - When the sky repeats [EXACT]
Mars returns to that day’s point of its orbit on January 18, 2027; Jupiter — in 2033.
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 2,628″ 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.