By default, the LG smartphone's calendar shows the current month, but in addition to the month display, we can also display the view for the current day, week or year. The selection is saved, so each time you start the phone, it will open the last view you selected.

Android 9 | LG UX 9.0
Step 1:  Open the  Calendar -App
Step 2:  Open the  Menu
Step 3:  Choose between  Day ,  Week, Month, Year  and  Agenda
  1. Open the Calendar-App
  2. Open the Menu
  3. Choose between Day, Week, Month, Year and Agenda

LG Instructions