The sky on July 19, 1970 — as it really was
That day the Sun stood in Gemini, while the horoscope says "Cancer". The gap is 23.4° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 116.4° · sign Cancer · constellation Gemini
- ☽︎ Moon — 305.8° · sign Aquarius · constellation Capricornus
- ☿︎ Mercury — 130.1° · sign Leo · constellation Cancer
- ♀︎ Venus — 158.0° · sign Virgo · constellation Leo
- ♂︎ Mars — 120.8° · sign Leo · constellation Cancer
- ♃︎ Jupiter — 207.1° · sign Libra · constellation Virgo
- ♄︎ Saturn — 50.7° · sign Taurus · constellation Aries
- ☽︎ Moon 99% 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, 99% lit; the Moon was 359,075 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
56.2 orbits of the Sun — 52,831 million km, that is 68,719 return trips to the Moon; 20,533 rotations of Earth; with the Sun — 408 billion km around the Galactic centre, 15.8 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 397 million km away; today it is 243 million km (closer by 1.6×).
astronomy-engine; checked against JPL Horizons for 2026-09-14 - Solar cycle [ESTIMATE]
That day fell in solar cycle 20, near maximum (51% through the cycle).
SILSO smoothed minima - When the sky repeats [EXACT]
Mars returns to that day’s point of its orbit on December 21, 2026; Jupiter — in 2029; a full moon exactly on this date — July 18, 2027
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 2,808″ 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.