Mandal · मण्डल
A standalone schematic of the inner sky you can flip between geocentric and heliocentric. Watch the Moon swing through its phases, the Sun walk the zodiac, and — sweeping the year across millennia — the celestial pole trace its slow precession around the pole of the ecliptic.
One schematic, two world-views, and a clock that runs from the last ice age to the far future.
Every layer is labelled and switchable, so the geometry stays legible at any speed.
See the same motion from the Earth's point of view, then from the Sun's — the retrograde loops resolve into clean ellipses.
Phases, the line of nodes, apogee and perigee, and the anomalistic, sidereal, and synodic months — each as its own jump.
Sweep the year across millennia and watch the celestial pole circle the ecliptic pole — the 25,772-year wobble made visible.
Zodiac and division names in English, Sanskrit (IAST), and Devanagari — switch the language and the whole ring follows.