The sky on May 13, 1926 — as it really was
That day the Sun stood in Aries, while the horoscope says "Taurus". The gap is 22.8° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 52.0° · sign Taurus · constellation Aries
- ☽︎ Moon — 71.2° · sign Gemini · constellation Taurus
- ☿︎ Mercury — 30.1° · sign Taurus · constellation Pisces
- ♀︎ Venus — 7.4° · sign Aries · constellation Cetus
- ♂︎ Mars — 337.0° · sign Pisces · constellation Aquarius
- ♃︎ Jupiter — 325.4° · sign Aquarius · constellation Capricornus
- ♄︎ Saturn — 232.8° · sign Scorpio · constellation Libra
- ☽︎ Moon 3% 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]
new moon, 3% lit; the Moon was 384,684 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
100.4 orbits of the Sun — 94,350 million km, that is 122,724 return trips to the Moon; 36,669 rotations of Earth; with the Sun — 728.7 billion km around the Galactic centre, 28.1 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 192 million km away; today it is 245 million km (farther by 1.3×).
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 December 6, 2027; Jupiter — in 2033; a full moon exactly on this date — May 12, 2063
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 5,040″ since that day; the real constellations now sit 22.8° away from the astrologers’ “signs”.
precession 50.29″/yr
Other dates
Computed from the date only; nothing about you is stored.