To change your Calendar view:
Press 
> Day, Week, Month, or Agenda. Each view displays the events in your calendar for the period of time that you specify.
Day View
Drag left or right to view earlier or later days.
Tap an event to view its details.
Touch and hold a time slot or an event to create a new event at that time.
Week View
Touch and hold a time slot or an event to create a new event at that time.
Tap an event to view its details.
Drag the screen left or right to view previous or future weeks.
Month View
Drag the screen up or down to view previous or future months.
Tap a day to view the events of that day.
