The sky on June 21, 1938 — as it really was
That day the Sun stood in Gemini — sign and constellation agree here.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 89.4° · sign Gemini · constellation Gemini
- ☽︎ Moon — 4.5° · sign Aries · constellation Pisces
- ☿︎ Mercury — 87.7° · sign Gemini · constellation Taurus
- ♀︎ Venus — 123.3° · sign Leo · constellation Cancer
- ♂︎ Mars — 99.5° · sign Cancer · constellation Gemini
- ♃︎ Jupiter — 332.3° · sign Pisces · constellation Aquarius
- ♄︎ Saturn — 16.7° · sign Aries · constellation Pisces
- ☽︎ Moon 46% 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, 46% lit; the Moon was 386,257 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
88.3 orbits of the Sun — 82,971 million km, that is 107,923 return trips to the Moon; 32,247 rotations of Earth; with the Sun — 640.8 billion km around the Galactic centre, 24.7 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 389 million km away; today it is 246 million km (closer by 1.6×).
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 November 14, 2026; Jupiter — in 2033; a full moon exactly on this date — June 20, 2035
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 4,428″ since that day; the real constellations now sit 23° away from the astrologers’ “signs”.
precession 50.29″/yr
Other dates
Computed from the date only; nothing about you is stored.