diff --git a/src/Net_40/HandyControl_Net_40/Themes/Theme.xaml b/src/Net_40/HandyControl_Net_40/Themes/Theme.xaml
index 249592f8..ba899d5a 100644
--- a/src/Net_40/HandyControl_Net_40/Themes/Theme.xaml
+++ b/src/Net_40/HandyControl_Net_40/Themes/Theme.xaml
@@ -11501,6 +11501,7 @@
 		<Setter Property="ScrollViewer.CanContentScroll" Value="True" />
 		<Setter Property="BorderThickness" Value="0" />
 		<Setter Property="ItemContainerStyle" Value="{StaticResource ClockListBoxItemStyle}" />
+		<Setter Property="HorizontalContentAlignment" Value="Center" />
 	</Style>
 	<Style TargetType="hc:ListClock">
 		<Setter Property="BorderThickness" Value="0,1,0,0" />
diff --git a/src/Shared/HandyControl_Shared/Themes/Styles/Clock.xaml b/src/Shared/HandyControl_Shared/Themes/Styles/Clock.xaml
index b1cb477e..b5e9481b 100644
--- a/src/Shared/HandyControl_Shared/Themes/Styles/Clock.xaml
+++ b/src/Shared/HandyControl_Shared/Themes/Styles/Clock.xaml
@@ -133,6 +133,7 @@
         <Setter Property="ScrollViewer.CanContentScroll" Value="True"/>
         <Setter Property="BorderThickness" Value="0"/>
         <Setter Property="ItemContainerStyle" Value="{StaticResource ClockListBoxItemStyle}"/>
+        <Setter Property="HorizontalContentAlignment" Value="Center"/>
     </Style>
 
     <Style TargetType="hc:ListClock">
diff --git a/src/Shared/HandyControl_Shared/Themes/Theme.xaml b/src/Shared/HandyControl_Shared/Themes/Theme.xaml
index 18da1eea..12929faa 100644
--- a/src/Shared/HandyControl_Shared/Themes/Theme.xaml
+++ b/src/Shared/HandyControl_Shared/Themes/Theme.xaml
@@ -11634,6 +11634,7 @@
 		<Setter Property="ScrollViewer.CanContentScroll" Value="True" />
 		<Setter Property="BorderThickness" Value="0" />
 		<Setter Property="ItemContainerStyle" Value="{StaticResource ClockListBoxItemStyle}" />
+		<Setter Property="HorizontalContentAlignment" Value="Center" />
 	</Style>
 	<Style TargetType="hc:ListClock">
 		<Setter Property="BorderThickness" Value="0,1,0,0" />