In this article, i will use DispatcherTimer class for creating timer control. Using interval property of this class, i will set the increment counter. After set the interval you can call tick event of this class. On tick event you can take current date and time. .
To create a new app in windows phone 8, the steps are listed below:
Create a new project by going through File | New Project | Windows Phone Application - Visual C#. Give a desired project name( World Clock is my app name).
From Solution Explorer, open MainPage.xaml file. (If Solution Explorer window is currently not opened then open it via View>>Other Windows>>Solution Explorer).
Inside Control Panel code fragment, add following code to create world clock app.
Source code (MainPage.xaml)
<TextBlock HorizontalAlignment="Left" Margin="10,10,0,0" TextWrapping="Wrap" Text="" VerticalAlignment="Top" Width="436" Height="63" x:Name="label1" FontSize="30" Grid.ColumnSpan="2"/>
DispatcherTimer t1 = new DispatcherTimer();
t1.Interval = TimeSpan.FromSeconds(1);
t1.Tick += OnTick;
void OnTick(Object sender, EventArgs args)
label1.Text = DateTime.Now.ToString();