UWP - TimePicker example

MainPage.xaml

<Page
    x:Class="UniversalAppTutorials.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:UniversalAppTutorials"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d">
    <StackPanel 
        x:Name="stack_panel1" 
        Orientation="Vertical"
        Background="AliceBlue"
        Padding="50,150,50,25"
        >
        <TimePicker
            x:Name="TimePicker1"
            TimeChanged="TimePicker1_TimeChanged"
            Header="Select A Time"
            />
        <TextBlock
            x:Name="TextBlock1"
            Foreground="Navy"
            FontSize="21"
            TextWrapping="Wrap"
            Margin="20"
            />
    </StackPanel>
</Page>

MainPage.xaml.cs

using Windows.UI.Xaml.Controls;


namespace UniversalAppTutorials
{
    public sealed partial class MainPage : Page
    {
        public MainPage()
        {
            this.InitializeComponent();
        }

        private void TimePicker1_TimeChanged(object sender, TimePickerValueChangedEventArgs e)
        {
            // Get the instance of TimePicker object
            TimePicker timePicker = sender as TimePicker;

            // Get the TimePicker selected date
            TextBlock1.Text = "TimePicker selected time :\n";
            TextBlock1.Text += "" + timePicker.Time;

            // Format TimePicker selected time and display it
            TextBlock1.Text += "\n\nTimePicker selected time formatted :";
            TextBlock1.Text += "\n" + formatTime(
                timePicker.Time.Hours,
                timePicker.Time.Minutes
                );
        }

        // Custom method to format time
        private string formatTime(int hours, int minutes) {
            // Put minutes in a string to format it
            string minutesString = minutes.ToString();

            // Determine the AM PM state
            bool isPM = hours > 11;
            string aMPMString = "AM";

            if (isPM)
            {
                aMPMString = "PM";
                if (hours != 12)
                {
                    hours -= 12;
                }
            }

            if (hours == 0)
            {
                hours = 12;
            }

            // Padding minutes with zero
            if (minutesString.Length == 1)
            {
                minutesString = minutesString.PadLeft(2, '0');
            }

            // Put hours in a string to format it
            string hoursString = hours.ToString();

            // Padding hours with zero
            if (hoursString.Length == 1)
            {
                hoursString = hoursString.PadLeft(2, '0');
            }

            // Put the formatted time in a string
            string formattedTime = hoursString + ":"+ minutesString + " " + aMPMString;

            // Finally, retrun the formatted time as a string
            return formattedTime;
        }
    }
}