How Many Appointments Do You Have Today?

The sample gets the number of appointments of a given day - also including recurrings. The returned value tells you that number. Via the optional argument oResult you get access to the found items.

  How to add macros to Outlook

Public Function AppointmentsAtDay(ByVal dtDate As Date, _
  Optional oResult As Outlook.Items _
) As Long
  Dim oFld As Outlook.MAPIFolder
  Dim oItems As Outlook.Items
  Dim sFind As String
  Dim obj As Object
  Dim i As Long

  Set oFld = Application.Session.GetDefaultFolder(olFolderCalendar)
  Set oItems = oFld.Items

  oItems.Sort "[Start]", False
  oItems.IncludeRecurrences = True

  sFind = Format(dtDate, "ddddd")

  sFind = "[Start] <= " & _
            Chr(34) & sFind & " 11:59 PM" & Chr(34) & _
            " AND [End] > " & _
            Chr(34) & sFind & " 12:00 AM" & Chr(34)

  Set oResult = oItems.Restrict(sFind)
  For Each obj In oResult
    i = i + 1
  Next
  AppointmentsAtDay = i
End Function