Clock.Desktop.Uwp/Views/MainPage.xaml

<Page
    x:Class="Clock.Desktop.Views.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:desktop="using:Clock.Desktop">
    <Page.Resources>
        <desktop:DataProvider x:Key="ClockViewModel" ObjectType="Clock.ViewModels.IClockViewModel, Clock"/>
    </Page.Resources>
    <Grid Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
        <StackPanel HorizontalAlignment="Center" VerticalAlignment="Center" DataContext="{StaticResource ClockViewModel}">
            <!-- ReSharper disable once Xaml.BindingWithContextNotResolved -->
            <TextBlock Text="{Binding It.Date}" FontSize="64" />
            <!-- ReSharper disable once Xaml.BindingWithContextNotResolved -->
            <TextBlock Text="{Binding It.Time}" FontSize="64" />
        </StackPanel>
    </Grid>
</Page>