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Private calendar: Reminders, schedule planner, calendar widget, time-management

Proton Calendar is an easy-to-use planner and a time-management tool that keeps your schedule private

Additional Highlights

✓ Schedule planner syncs automatically across browsers and devices

✓ Create recurring events on a daily, weekly, monthly, yearly, or custom basis

✓ Use as an appointment scheduler in local or foreign time zones

✓ Manage up to 20 calendars (paid feature)

✓ View your agenda from the home screen with the Proton Calendar widget

✓ Add multiple reminders for any event

✓ Use as a daily planner or monthly planner by switching between different views

✓ Choose to view your event schedule in dark mode or light mode

PRIVATE CALENDAR

✓ No ads, no trackers, and no data sharing with any third parties

✓ We can’t spy on your activities or misuse your data

✓ End-to-end encryption — fully encrypted data exchange between Proton Calendar users

✓ Zero-access encryption — event names, descriptions, and participants are encrypted on our servers

✓ Based in Switzerland ?? — All your data is protected by strict Swiss privacy laws

USERS FIRST

Building an internet that puts people ahead of profits

✓ Funded by users, not advertisers — privacy is our business model

✓ Built by scientists and engineers who met at CERN and MIT and founded Proton Mail

✓ Used by high-profile journalists and organizations globally

✓ GDPR and HIPAA compliant

✓ Based in Switzerland and protected by some of the world’s strongest privacy laws

What others say about Proton Calendar

“Proton Mail has now made it stupid-easy to encrypt your schedule. Information about what you plan to do, where, and with whom, can be just as sensitive as the messages you send and receive.” Gizmodo