'Assigned to me' tasks added to 'My day' not appearing in Outlook Calendar Online 'Task list'

If I add 'Assigned to me' tasks to 'My day' in Microsoft 'To do' and I transition to my 'Outlook Calendar Online' and view my 'To do' list, the 'Assigned to me' tasks don't appear in 'My day' list. I like to use this view so that I can block out some time in my Calendar to complete these tasks.