Celestium: Cosmic Compass

Three new ways in. Learn to read your own chart. Time your next move against the sky. Read the weather between two charts. Your data stays on your device.

Celestium is a cosmic compass for the choices that move your life: where to be, when to act, and how to mark the turning points.

WHERE Start with the map. Celestium takes your birth chart and maps it onto the whole planet, the lines that follow you and the places that light up. Score thousands of cities for love, work, vitality, and growth. Compare places side by side. Planning a move, a trip, or a fresh start? Find the ground that backs you.

Your chart is computed from scratch on your device. No account. No tracking. Your data never leaves your hands unless you choose to send it.

WHEN Daily cosmic weather, moon phases, and the transits actually touching your chart. Zoom from today out to the year. Catch the windows worth using and the ones worth resting through.

RITUAL Guided practices for each moon phase. Small ways to mark a threshold instead of letting it pass unnoticed.

TOGETHER Add a second chart for couples mode: synastry, composite, and the places that hold you both. Or go wider with group mode for three to six people.

The astronomy is real. Positions come from a built-in engine using VSOP87 elements, not a borrowed API, accurate to about a degree.

Optional AI interpretations are available with your own Anthropic API key. They stay free that way, and your chart goes straight to Anthropic, never through us.

Celestium Premium unlocks the full app: Unlimited saved charts. Couples and group mode. The full city atlas with advanced filters. Export and shareable cards.

Astrology here is for reflection, not prediction. A way to read the weather, not a forecast you have to obey.

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