Provide support for all-day activities, tasks, or reminders that span an entire day.

Incorporating this feature ensures users can seamlessly manage tasks, appointments, and reminders that extend throughout the entire day. By allowing for comprehensive scheduling of activities without specific start or end times, users can effectively plan and organize their day, enhancing productivity and time management. This feature not only simplifies the user experience but also accommodates various types of events, allowing for a more versatile and efficient scheduling system.