The sky on July 21, 2026 — as it really was
That day the Sun stood in Cancer — sign and constellation agree here.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 118.8° · sign Cancer · constellation Cancer
- ☽︎ Moon — 209.2° · sign Libra · constellation Virgo
- ☿︎ Mercury — 106.6° · sign Cancer · constellation Gemini
- ♀︎ Venus — 162.9° · sign Virgo · constellation Leo
- ♂︎ Mars — 75.9° · sign Gemini · constellation Taurus
- ♃︎ Jupiter — 124.6° · sign Leo · constellation Cancer
- ♄︎ Saturn — 14.7° · sign Aries · constellation Pisces
- ☽︎ Moon 51% 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]
first quarter, 51% lit; the Moon was 395,983 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
0.2 orbits of the Sun — 193 million km, that is 251 return trips to the Moon; 75 rotations of Earth; with the Sun — 1.5 billion km around the Galactic centre, 0.1 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 305 million km away; today it is 245 million km (closer by 1.2×).
astronomy-engine; checked against JPL Horizons for 2026-09-14 - Solar cycle [ESTIMATE]
That day fell in solar cycle 25, on the decline (63% through the cycle).
SILSO smoothed minima - When the sky repeats [EXACT]
Mars returns to that day’s point of its orbit on June 7, 2028; Jupiter — in 2038.
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 0″ since that day; the real constellations now sit 24.2° away from the astrologers’ “signs”.
precession 50.29″/yr - Picture of the day [EXACT]
NASA Astronomy Picture of the Day for this date: apod.nasa.gov/apod/ap260721.html
NASA APOD
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