There’s lots of ways you can add Notes to a day.
If you Long-Tap on the day you want to add a note, then tap on the Notes Panel, you can type notes directly.
Or, if you have the “Notes Panel” activated in Settings, or the Events List, simply tap on the Notes sections below the calendar to quickkly add a note to a day.
You can edit all the day’s properties, including notes by doing the following:-
1. Tap on a day
2. Tap on the pencil icon in the toolbar (at the top)
3. Type your notes into the Notes box and tap on the back button (top-left) when you’re finished
Once you’ve added notes to a day, a small star icon shows against the day so you can easily see which days have notes.