Hover over ME in the navigation then click on MY SCHEDULE.
Your schedule, by default is a 7 day view which lists all of the events per day within that period. On this page you can change the start date and the view from 1 week up to 12 weeks.
When you click in a place somewhere on the calendar grid, then click ADD to create, based on where you clicked on the grid, the day, start and end times will reflect where you have clicked on the grid. In the below screen shot, it selected Thursday 16 Feb and 14:30. Enter a title for the event, any notes about the event, give it a start and end time, change the colour, add any Users, Vehicles or Rooms if applicable, then click 'Submit' to add the event to your Schedule.