⚠ PROOF OF CONCEPT
— This simulator is for educational/demonstration purposes only. Calculations are not accurate. Do not rely on this site for actual halachic determinations.
— Not accurate. Do not use for halachic decisions.
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Kiddush HaChodesh — Rambam's Sun & Moon Orbits
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Display Layers
Ecliptic (Galgal HaMazalot)
Constellations (Mazalot)
Celestial Equator
Sun Orbit
Sun Apogee (Govah)
Moon Orbit
Moon Apogee (Govah)
Dragon Head & Tail (Teli)
Degree Marks
Background Stars
Coordinate Grid
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☀ Sun Data
Mean Sun (Emtza)
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Sun Apogee (Govah)
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Sun Anomaly (Maslul)
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Correction (Mnat HaMaslul)
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True Sun Position
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Sun Mazal
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☽ Moon Data
Mean Moon (Emtza)
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Moon Apogee (Govah)
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Moon Anomaly (Maslul)
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Double Elongation
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Correction (Mnat HaMaslul)
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True Moon Position
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Dragon Head (Rosh HaTeli)
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Moon Mazal
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General Info
Days Since Epoch
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Cycle
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Year in Cycle
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Date
Time
−Year
−Month
−Week
−Day
+Day
+Week
+Month
+Year
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Speed
10 days/s
Today
Epoch