DDayo - D-Day Countdown

Set it once, never miss a day. DDayo is a smart D-Day counter with lunar date conversion, repeating events, and calendar integration. ■ Lunar Calendar Conversion No more manual calculations for lunar birthdays. Enter a lunar date and DDayo automatically converts it to this year's solar date. Parents' birthdays, traditional holidays — set once, auto-updated every year. ■ Repeating D-Days Automatically manage recurring dates like birthdays, anniversaries, and paydays. Set yearly or monthly repeats and DDayo calculates the next occurrence for you. No need to re-enter your important dates every year. ■ Calendar Integration Import events from your device calendar and convert them into D-Days instantly. You can also export D-Days back to your calendar. Both import and export supported. ■ Calendar View See all your D-Days on a monthly calendar at a glance. Tap any date to view details or create a new D-Day right away. ■ Milestone Alerts DDayo automatically calculates milestones like 100 days, 200 days, 1 year, and more. View upcoming and past milestones in one place. Set notifications so you never miss an important milestone. ■ Multiple Count Formats View remaining time in days, weeks, months, years, or even real-time hours and minutes. Switch between formats with a single tap on the detail screen. ■ Beautiful Themes Customize each D-Day with over 20 unique themes. From bright pastels to dark mode — match your personal style. ■ Home Screen Widgets Check your D-Days without opening the app. Add a widget to your home screen and see the countdown at a glance. ■ Categories & Favorites Organize D-Days by category: birthdays, anniversaries, couples, exams, travel, baby, and more. Pin important dates to the top with favorites. ■ Perfect for - Tracking lunar birthdays without manual calculation - Managing all your anniversaries in one clean place - Converting calendar events to D-Day countdowns - Getting automatic milestone alerts for 100 days, 200 days, 1 year - Counting down to exams, trips, due dates, and more ■ DDayo PRO Remove ads, unlock photo backgrounds, and premium themes with a one-time purchase.