The sky on July 13, 1945 — as it really was
That day the Sun stood in Gemini, while the horoscope says "Cancer". The gap is 23.1° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 110.7° · sign Cancer · constellation Gemini
- ☽︎ Moon — 158.4° · sign Virgo · constellation Leo
- ☿︎ Mercury — 135.4° · sign Leo · constellation Cancer
- ♀︎ Venus — 66.1° · sign Gemini · constellation Taurus
- ♂︎ Mars — 53.1° · sign Taurus · constellation Taurus
- ♃︎ Jupiter — 172.4° · sign Virgo · constellation Leo
- ♄︎ Saturn — 105.2° · sign Cancer · constellation Gemini
- ☽︎ Moon 17% 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]
waxing crescent, 17% lit; the Moon was 394,830 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
81.2 orbits of the Sun — 76,336 million km, that is 99,292 return trips to the Moon; 29,668 rotations of Earth; with the Sun — 589.6 billion km around the Galactic centre, 22.8 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 249 million km away; today it is 245 million km (closer by 1×).
astronomy-engine; checked against JPL Horizons for 2026-09-14 - When the sky repeats [EXACT]
Mars returns to that day’s point of its orbit on April 15, 2028; Jupiter — in 2028.
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 4,068″ since that day; the real constellations now sit 23.1° away from the astrologers’ “signs”.
precession 50.29″/yr
Other dates
Computed from the date only; nothing about you is stored.