Day Calculator

Day Calculator helps you see how much of your day is left and put that time to use. Every day starts with 24 hours. Enter the time you already use for sleep, work, study, travel, meals, and more. The app shows what is left, then lets you plan that remaining time into clear tasks. WHAT YOU CAN DO • See used, remaining, planned, and free time for today • Calculate your day by category and stay within 24 hours • Plan tasks only into the time you still have • Track days on a calendar with clear day status • Review daily, weekly, and monthly history • Add, rename, and customize your own categories • Switch light, dark, or system theme BUILT FOR FOCUS • No account and no sign-in • Works fully offline • Your plans and tasks stay on your device • No ads and no cloud sync Stop guessing where your day went. Open Day Calculator, measure the hours you still have, and plan them with intention.

Day Calculator helps you see how much of your day is left and put that time to use. Every day starts with 24 hours. Enter the time you already use for sleep, work, study, travel, meals, and more. The app shows what is left, then lets you plan that remaining time into clear tasks. WHAT YOU CAN DO • See used, remaining, planned, and free time for today • Calculate your day by category and stay within 24 hours • Plan tasks only into the time you still have