MainWindow.xaml

<Window x:Class="MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:Time"
        mc:Ignorable="d"
        Title="Time" Height="450" Width="800" Icon="clock-icon.ico">
    <Grid Margin="0,0,2,-4">
        <TextBlock x:Name="DateAndTimeHost" HorizontalAlignment="Left" Height="342" Margin="10,10,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="759" FontSize="72"/>
        <Button Content="Update" HorizontalAlignment="Left" Height="56" Margin="333,357,0,0" VerticalAlignment="Top" Width="150" FontSize="36" FontFamily="Rockwell Nova" Click="Button_Click"/>

    </Grid>
</Window>