Why are tasks due tomorrow showing in the Today Focus list?

A few common reasons:

1. The task has a duration. A task due tomorrow can surface today if its duration reaches back into today. For example, a task due tomorrow at 9:00 AM with a 2-hour duration effectively starts tomorrow at 7:00 AM; a longer duration can reach into today.
2. "Still Working On" is enabled. 2Do can keep a task visible once its start date has arrived, even before the due date.
3. "Include Starred Tasks" is enabled and the task is starred.

Adjust the task's duration or start date, or fine-tune the Today list options in settings. Learn more in Dates and Durations for Mac, Dates and Durations for iPhone and iPad, or Dates and Durations for Android.