Original data, real astronomy
Every dataset below is computed by our deterministic engine (Skyfield + JPL DE421 ephemeris, Lahiri True Chitra Paksha ayanamsa) from public inputs. Each study states its method — and its exclusions — up front. Cite freely with a link.
Why a planet appears to go backward — the loop, plotted
Mars slides 19.12° backward across 27 computed positions. The apparent path of five grahas through a full retrograde loop — real sidereal longitudes against real ecliptic latitudes, and why it is geometry rather than force.
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Is your Vedic sign different? We computed every day of the year
The sidereal Sun sign differs from the Western tropical sign on 80% of days. Here is the full day-by-day table and why the two systems drift.
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The Sade Sati calendar, 2015–2040
Saturn's true sidereal transits computed to the day — every rising, peak, and setting phase for all 12 moon signs, past and future.
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The sidereal Moon signs of 50 icons
From documented birth dates, computed honestly: 30 usable charts (20 excluded because the Moon changed signs that day — we show which).
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Computed 2026-07-30 · full methodology