The sky on May 29, 1978 — as it really was
That day the Sun stood in Taurus, while the horoscope says "Gemini". The gap is 23.6° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 67.8° · sign Gemini · constellation Taurus
- ☽︎ Moon — 342.2° · sign Pisces · constellation Aquarius
- ☿︎ Mercury — 50.3° · sign Taurus · constellation Aries
- ♀︎ Venus — 98.9° · sign Cancer · constellation Gemini
- ♂︎ Mars — 141.7° · sign Leo · constellation Leo
- ♃︎ Jupiter — 98.6° · sign Cancer · constellation Gemini
- ♄︎ Saturn — 144.7° · sign Leo · constellation Leo
- ☽︎ Moon 46% 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, 46% lit; the Moon was 377,011 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
48.4 orbits of the Sun — 45,441 million km, that is 59,106 return trips to the Moon; 17,661 rotations of Earth; with the Sun — 351 billion km around the Galactic centre, 13.5 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 242 million km away; today it is 245 million km (farther by 1×).
astronomy-engine; checked against JPL Horizons for 2026-09-14 - Solar cycle [ESTIMATE]
That day fell in solar cycle 21, on the rise to maximum (21% through the cycle).
SILSO smoothed minima - When the sky repeats [EXACT]
Mars returns to that day’s point of its orbit on April 23, 2027; Jupiter — in 2037; a full moon exactly on this date — May 29, 2037
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 2,412″ since that day; the real constellations now sit 23.6° away from the astrologers’ “signs”.
precession 50.29″/yr
Other dates
Computed from the date only; nothing about you is stored.