src/share/classes/sun/text/resources/lv/FormatData_lv.java

@@ -119,10 +119,21 @@
                     "C", // abb Thursday
                     "Pk", // abb Friday
                     "S" // abb Saturday
                 }
             },
+            { "DayNarrows",
+                new String[] {
+                    "S",
+                    "P",
+                    "O",
+                    "T",
+                    "C",
+                    "P",
+                    "S",
+                }
+            },
             { "Eras",
                 new String[] { // era strings
                     "pm\u0113",
                     "m\u0113"
                 }