Add a custom icon to your day:-

-Tap on the + button

-Tap on the Icons button

-Select the icon you want to add

-Tap on the days

You can add multiple icons to each day, and edit which icons appear on a day in Day Properties.

-Tap on the day

-Tap on the Pencil Icon in the top of the screen.

-Tap and hold icons to make them your Favourites