Private Sub CommandButton3_Click()
Dim sh As Worksheet, madate As Date
madate = Format(Date, "dd mmmm yyyy")
For Each sh In ActiveWorkbook.Sheets
If sh.Name Like "*" & mydate & "*" Then s = s & "|" & sh.Name
Next
If Len(s) > 0 Then ComboBox1.List = Split(Mid(s, 2), "|")
End Sub