src/java.base/share/classes/sun/util/resources/TimeZoneNames.java

@@ -443,11 +443,11 @@
             {"America/Glace_Bay", AST},
             {"America/Godthab", new String[] {"Western Greenland Time", "WGT",
                                               "Western Greenland Summer Time", "WGST",
                                               "Western Greenland Time", "WGT"}},
             {"America/Goose_Bay", AST},
-            {"America/Grand_Turk", AST},
+            {"America/Grand_Turk", EST},
             {"America/Grenada", AST},
             {"America/Guadeloupe", AST},
             {"America/Guatemala", CST},
             {"America/Guayaquil", new String[] {"Ecuador Time", "ECT",
                                                 "Ecuador Summer Time", "ECST",