Privacy Policy

Prohowich Martian Calendar · Last updated July 18, 2026

No data is collected. This app does not collect, transmit, store, or share any personal information. There are no accounts, no sign-ins, no analytics, and no network requests of any kind.

Local storage only. The app saves two preferences to your device’s local storage:

• Your selected day-of-week name system (Earth / Numerical / Mars Planetary)
• Your selected hemisphere view (Northern / Southern)

These values never leave your device. They are stored solely to restore your preferences when you reopen the app.

No third parties. No third-party SDKs, advertising networks, or data brokers are used.

Contact. Questions? Email: mars@tedprohowichjr.com

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