The sky on July 24, 1978 — as it really was
That day the Sun stood in Cancer, while the horoscope says "Leo". The gap is 23.6° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 121.2° · sign Leo · constellation Cancer
- ☽︎ Moon — 1.3° · sign Aries · constellation Pisces
- ☿︎ Mercury — 148.0° · sign Leo · constellation Leo
- ♀︎ Venus — 164.0° · sign Virgo · constellation Leo
- ♂︎ Mars — 173.3° · sign Virgo · constellation Virgo
- ♃︎ Jupiter — 111.0° · sign Cancer · constellation Gemini
- ♄︎ Saturn — 149.8° · sign Leo · constellation Leo
- ☽︎ Moon 75% 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 gibbous, 75% lit; the Moon was 374,378 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
48.2 orbits of the Sun — 45,296 million km, that is 58,918 return trips to the Moon; 17,605 rotations of Earth; with the Sun — 349.8 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 303 million km away; today it is 245 million km (closer by 1.2×).
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 (23% through the cycle).
SILSO smoothed minima - When the sky repeats [EXACT]
Mars returns to that day’s point of its orbit on June 18, 2027; Jupiter — in 2037; a full moon exactly on this date — July 24, 2040
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 2,412″ 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.