VBA 時間部分はテキストで指定するけど、日付はNow()から取る

        Dim start_date, end_date, yyyymmdd
        yyyymmdd = Format(Now, "yyyy/mm/dd")
        start_date = CDate(yyyymmdd + " " + UserForm_RetryInfo.TextBox_Start)
        end_date = CDate(yyyymmdd + " " + UserForm_RetryInfo.TextBox_End)