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About DayCalcy
DayCalcy is a simple, private and completely offline date calculator with reminders.
Features:
- Calculate the number of days between dates, add or subtract days, calculate age, compare dates and work with time durations.
- Save important dates as reminders and get notified when they arrive.
- DayCalcy also includes Countdown Widgets for tracking upcoming events and a Year Progress Widget to view the progress of the current year directly from your home screen.
DayCalcy works without an internet connection and does not require online services.
License: GPL-3.0-only
Features:
- Calculate the number of days between dates, add or subtract days, calculate age, compare dates and work with time durations.
- Save important dates as reminders and get notified when they arrive.
- DayCalcy also includes Countdown Widgets for tracking upcoming events and a Year Progress Widget to view the progress of the current year directly from your home screen.
DayCalcy works without an internet connection and does not require online services.
License: GPL-3.0-only
| Release info | Update on Nov 06, 2026 |
|---|---|
| Release notes | • Added a separate Dark theme with charcoal and dark-gray surfaces alongside Light and AMOLED. • Some small widget layout changes. |
| Listing data | F-Droid |
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