• Head over to Adalo and either sign up or log in if you already have an account.
• Click on “Create New App.”
• Pick the Blank App option.
• Give your app a name and choose if it’s a mobile or web app.

• Go to the “Database” section in the left sidebar.
• Create a new collection called “Tasks.”
• Add properties like Name (Text), Start Time (Date & Time), End Time (Date & Time), and Duration (Number).

• Drag and drop a new screen from the “Screens” menu and name it “Task List.”
• Use the “App Bar” from the components section to add a title to the screen.
• Drag and drop a “List” component and link it to the “Tasks” collection. Set the list to show the Task Name.
• Add a plus icon to navigate to a "New Task" screen for adding new tasks.

• Drag and drop a new screen from the “Screens” menu and name it "New Task."
• Add input fields for:
• Name
• Start Time (Date & Time Picker)
• End Time (Date & Time Picker)
• Add a button named “Save Task.”

• Click on the “Save Task” button.
• Set the action to “Create” a new task in the “Tasks” collection.
• Link each input field to its corresponding property in the database.
• Add another action to navigate back to the "Task List" screen after saving the task.

• Go back to the "Task List" screen and set up a custom action for "Calculate Duration."
• Use Adalo's “Custom Formula” feature:
• Set Duration to the difference between End Time and Start Time.

• Go to the "Task List" screen’s list component.
• Edit the list settings to show the Duration of each task alongside the task Name.

• Click on the preview button in the top-right corner.
• Test the flow: create tasks, start and end times, and make sure the duration is calculated and displayed correctly in the task list.

• Once everything looks good, click on the settings icon.
• Fill in the required publishing details.
• Hit "Publish" to make the app available either as a web or mobile app, depending on your choice during the setup.

Each of these steps will guide you through the process of creating a time tracking app using Adalo, ensuring that all necessary features such as task listing, time input, duration calculation, and result display are included and functional.