The sky on July 13, 1963 — 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 — 110.4° · sign Cancer · constellation Gemini
- ☽︎ Moon — 12.7° · sign Aries · constellation Cetus
- ☿︎ Mercury — 109.9° · sign Cancer · constellation Gemini
- ♀︎ Venus — 97.4° · sign Cancer · constellation Gemini
- ♂︎ Mars — 171.9° · sign Virgo · constellation Leo
- ♃︎ Jupiter — 18.3° · sign Aries · constellation Pisces
- ♄︎ Saturn — 321.9° · sign Aquarius · constellation Capricornus
- ☽︎ Moon 57% 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, 57% lit; the Moon was 371,476 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
63.2 orbits of the Sun — 59,421 million km, that is 77,290 return trips to the Moon; 23,094 rotations of Earth; with the Sun — 458.9 billion km around the Galactic centre, 17.7 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 272 million km away; today it is 246 million km (closer by 1.1×).
astronomy-engine; checked against JPL Horizons for 2026-09-14 - Solar cycle [ESTIMATE]
That day fell in solar cycle 19, on the decline (88% through the cycle).
SILSO smoothed minima - When the sky repeats [EXACT]
Mars returns to that day’s point of its orbit on June 24, 2027; Jupiter — in 2034.
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 3,168″ since that day; the real constellations now sit 23.4° away from the astrologers’ “signs”.
precession 50.29″/yr
Other dates
Computed from the date only; nothing about you is stored.