Meridia

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Meridia draws your astrocartography map: the places on Earth where each planet was rising, setting, overhead or underfoot when you were born.

Questions

Why does my birth time matter so much?
Four minutes of birth time moves a line about 100 km. Your birth certificate (the long-form version), a parent, or the hospital where you were born can often tell you the exact time.

What if I only know roughly when I was born?
Meridia shows your lines as soft bands covering everywhere they could be. You can narrow it down anytime in Settings, under You.

Why can't I add my friends?
Comparing charts needs exact birth times for both of you. Approximate lines are too wide to show where two people truly meet. Add your exact time, and your people come right back.

What's the difference between "In mundo" and "In zodiaco"?
They're two traditional ways to place lines. In mundo uses where the planet really was in the sky. In zodiaco matches the degrees in your birth chart. The Moon and Pluto differ the most. You can switch in Settings.

How do I change themes?
Tap the gear button, then pick a theme. Each one changes the sky around the globe and the colors of your lines.

How do I delete my information?
Everything stays on your iPhone. Edit or remove people in People, or delete the app to remove everything.