src/share/classes/sun/text/resources/da/FormatData_da.java

*** 122,131 ****
--- 122,142 ----
                      "to", // abb Thursday
                      "fr", // abb Friday
                      "l\u00f8" // abb Saturday
                  }
              },
+             { "DayNarrows",
+                 new String[] {
+                     "S",
+                     "M",
+                     "T",
+                     "O",
+                     "T",
+                     "F",
+                     "L",
+                 }
+             },
              { "NumberElements",
                  new String[] {
                      ",", // decimal separator
                      ".", // group (thousands) separator
                      ";", // list separator