diff --git a/DesktopClock/DateFormatExample.cs b/DesktopClock/DateFormatExample.cs
index ff0896e..0fd6e86 100644
--- a/DesktopClock/DateFormatExample.cs
+++ b/DesktopClock/DateFormatExample.cs
@@ -32,28 +32,40 @@ private DateFormatExample(string format, string example)
     /// <summary>
     /// Common date time formatting strings and an example string for each.
     /// </summary>
-    /// <remarks>https://learn.microsoft.com/en-us/dotnet/standard/base-types/custom-date-and-time-format-strings</remarks>
+    /// <remarks>
+    /// <see href="https://learn.microsoft.com/en-us/dotnet/standard/base-types/standard-date-and-time-format-strings">Standard date and time format strings</see>
+    /// <br/>
+    /// <see href="https://learn.microsoft.com/en-us/dotnet/standard/base-types/custom-date-and-time-format-strings">Custom date and time format strings</see>
+    /// </remarks>
     public static IReadOnlyCollection<DateFormatExample> DefaultExamples { get; } = new[]
     {
-        "M",
-        "dddd, MMMM dd",
-        "dddd, MMMM dd, HH:mm",
-        "dddd, MMMM dd, h:mm tt",
-        "dddd, MMM dd, HH:mm",
-        "dddd, MMM dd, h:mm tt",
-        "dddd, MMM dd, HH:mm:ss",
-        "dddd, MMM dd, h:mm:ss tt",
-        "ddd, MMM dd, HH:mm",
-        "ddd, MMM dd, h:mm tt",
-        "ddd, MMM dd, HH:mm:ss",
-        "ddd, MMM dd, h:mm:ss tt",
-        "ddd, MMM dd, HH:mm K",
-        "ddd, MMM dd, h:mm tt K",
-        "d",
-        "g",
-        "G",
-        "t",
-        "T",
-        "O",
+        "dddd, MMMM dd",               // Custom format: "Monday, April 10"
+        "dddd, MMMM dd, HH:mm",        // Custom format: "Monday, April 10, 14:30"
+        "dddd, MMMM dd, h:mm tt",      // Custom format: "Monday, April 10, 2:30 PM"
+        "dddd, MMM dd, HH:mm",         // Custom format: "Monday, Apr 10, 14:30"
+        "dddd, MMM dd, h:mm tt",       // Custom format: "Monday, Apr 10, 2:30 PM"
+        "dddd, MMM dd, HH:mm:ss",      // Custom format: "Monday, Apr 10, 14:30:45"
+        "dddd, MMM dd, h:mm:ss tt",    // Custom format: "Monday, Apr 10, 2:30:45 PM"
+        "ddd, MMM dd, HH:mm",          // Custom format: "Mon, Apr 10, 14:30"
+        "ddd, MMM dd, h:mm tt",        // Custom format: "Mon, Apr 10, 2:30 PM"
+        "ddd, MMM dd, HH:mm:ss",       // Custom format: "Mon, Apr 10, 14:30:45"
+        "ddd, MMM dd, h:mm:ss tt",     // Custom format: "Mon, Apr 10, 2:30:45 PM"
+        "ddd, MMM dd, HH:mm K",        // Custom format: "Mon, Apr 10, 14:30 +02:00"
+        "ddd, MMM dd, h:mm tt K",      // Custom format: "Mon, Apr 10, 2:30 PM +02:00"
+        "d",                           // Short date pattern: 6/15/2009 (en-US)
+        "D",                           // Long date pattern: Monday, June 15, 2009 (en-US)
+        "f",                           // Full date/time pattern (short time): Monday, June 15, 2009 1:45 PM (en-US)
+        "F",                           // Full date/time pattern (long time): Monday, June 15, 2009 1:45:30 PM (en-US)
+        "g",                           // General date/time pattern (short time): 6/15/2009 1:45 PM (en-US)
+        "G",                           // General date/time pattern (long time): 6/15/2009 1:45:30 PM (en-US)
+        "M",                           // Month/day pattern: June 15 (en-US)
+        "O",                           // Round-trip date/time pattern: 2009-06-15T13:45:30.0000000-07:00 (DateTimeOffset)
+        "R",                           // RFC1123 pattern: Mon, 15 Jun 2009 20:45:30 GMT (DateTimeOffset)
+        "s",                           // Sortable date/time pattern: 2009-06-15T13:45:30
+        "t",                           // Short time pattern: 1:45 PM (en-US)
+        "T",                           // Long time pattern: 1:45:30 PM (en-US)
+        "u",                           // Universal sortable date/time pattern: 2009-06-15 13:45:30Z (DateTime)
+        //"U",                         // Universal full date/time pattern: Monday, June 15, 2009 8:45:30 PM (en-US) // Not available for DateTimeOffset.
+        "Y",                           // Year month pattern: June 2009 (en-US)
     }.Select(f => FromFormat(f, DateTimeOffset.Now)).Append(Tutorial).ToList();
-}
\ No newline at end of file
+}