On a calendar view, select the hours you want to block by dragging
Create a fake appointment for the times you want to block. You can name the appointment as shown below
Click on “Save and Create the Appointment”
Make sure to set it as “Recurring”, its recurring time to “Weekly”, and the from and to time to the time you want to block. Refer to the photo below;
Create a fake address
Hit “Create Appointment”
Repeat the steps for the remaining days. Your calendar should look like the one below.