The sky on April 21, 1962 — as it really was
That day the Sun stood in Aries, while the horoscope says "Taurus". The gap is 23.3° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 30.9° · sign Taurus · constellation Aries
- ☽︎ Moon — 227.7° · sign Scorpio · constellation Libra
- ☿︎ Mercury — 37.1° · sign Taurus · constellation Aries
- ♀︎ Venus — 51.6° · sign Taurus · constellation Aries
- ♂︎ Mars — 1.4° · sign Aries · constellation Pisces
- ♃︎ Jupiter — 335.4° · sign Pisces · constellation Aquarius
- ♄︎ Saturn — 310.7° · sign Aquarius · constellation Capricornus
- ☽︎ Moon 98% 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, 98% lit; the Moon was 396,229 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
64.5 orbits of the Sun — 60,574 million km, that is 78,790 return trips to the Moon; 23,542 rotations of Earth; with the Sun — 467.8 billion km around the Galactic centre, 18.1 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 324 million km away; today it is 245 million km (closer by 1.3×).
astronomy-engine; checked against JPL Horizons for 2026-09-14 - Solar cycle [ESTIMATE]
That day fell in solar cycle 19, on the decline (77% through the cycle).
SILSO smoothed minima - When the sky repeats [EXACT]
Mars returns to that day’s point of its orbit on February 18, 2028; Jupiter — in 2033; a full moon exactly on this date — April 20, 2027
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 3,240″ since that day; the real constellations now sit 23.3° away from the astrologers’ “signs”.
precession 50.29″/yr
Other dates
Computed from the date only; nothing about you is stored.