SITAL · ASTROCARTOGRAPHY
Turn Earth. Follow a line.
One calculated Sun–MC line for Manny’s recorded historical birth chart, with geographic references. This example is not linked to your account.
Manny · Dec 27, 1970 · 2:10 AM · UTC−6
Birth moment: Dec 27, 1970 · 08:10 UTC
Preparing the NASA Earth…
Touch the reference line to identify it.
GEOGRAPHIC REFERENCE
Birth record & calculation
Manny · December 27, 1970 · 2:10 AM · UTC−6
UTC: December 27, 1970 · 08:10
Soyapango, El Salvador · 13.7102° N, 89.1399° W
Calculated Sun MC: 57.724° E. Based on the recorded birth time; a different birth time moves the line. This fixed historical example is not linked to an account.
Precomputed using the existing SITAL Astronomy Engine 2.1.19: geocentric apparent Sun, light-time and aberration corrected, true equator/equinox of date, matching Greenwich apparent sidereal time. Longitude = right ascension − sidereal angle, wrapped east-positive. No refraction or topocentric parallax. The geographic meridian depends on the resolved birth instant, not an added shift for birth longitude.
Independent Swiss Ephemeris/Moshier numerical comparison passed. This checks model agreement, not the precision of the historical birth time. No protected natal interpretation is supplied. This is one open Sun–MC meridian, not the opposite Sun–IC meridian. The rendered path stops at 89.9° north and south; these clipped ends have no astrological significance.
Image credits
NASA’s Goddard Space Flight Center · Black Marble 2016 · Suomi NPP / VIIRSStatic Earth-at-night imagery. Turning this globe explores geography; it does not change NOW’s date or show live Earth lighting.