The sky on March 13, 1928 — as it really was
That day the Sun stood in Pisces — sign and constellation agree here.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 352.7° · sign Pisces · constellation Pisces
- ☽︎ Moon — 250.2° · sign Sagittarius · constellation Ophiuchus
- ☿︎ Mercury — 327.2° · sign Aquarius · constellation Aquarius
- ♀︎ Venus — 324.3° · sign Aquarius · constellation Capricornus
- ♂︎ Mars — 310.8° · sign Aquarius · constellation Capricornus
- ♃︎ Jupiter — 10.8° · sign Aries · constellation Pisces
- ♄︎ Saturn — 258.9° · sign Sagittarius · constellation Ophiuchus
- ☽︎ Moon 61% 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, 61% lit; the Moon was 402,600 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
98.6 orbits of the Sun — 92,626 million km, that is 120,482 return trips to the Moon; 35,999 rotations of Earth; with the Sun — 715.4 billion km around the Galactic centre, 27.6 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 300 million km away; today it is 245 million km (closer by 1.2×).
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 19, 2027; Jupiter — in 2035; a full moon exactly on this date — March 13, 2055
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 4,932″ since that day; the real constellations now sit 22.9° away from the astrologers’ “signs”.
precession 50.29″/yr
Other dates
Computed from the date only; nothing about you is stored.