--- a/nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/objects/NativeDate.java	Fri Oct 24 13:25:23 2014 +0200
+++ b/nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/objects/NativeDate.java	Mon Oct 27 17:54:00 2014 +0530
@@ -1045,7 +1045,8 @@
 
     // ECMA 15.9.1.2 TimeWithinDay (t)
     private static double timeWithinDay(final double t) {
-        return t % msPerDay;
+        final double val = t % msPerDay;
+        return val < 0? val + msPerDay : val;
     }
 
     // ECMA 15.9.1.3 InLeapYear (t)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nashorn/test/script/basic/JDK-8062024.js	Mon Oct 27 17:54:00 2014 +0530
@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * JDK-8062024: Issue with date.setFullYear when time other than midnight
+ *
+ * @test
+ * @run
+ */
+
+var date1 = new Date("January 01, 1950 00:00:00");
+print("Before:", date1);
+date1.setFullYear(1960);
+print("After:", date1);
+
+var date2 = new Date("January 01, 1950 00:00:01");
+print("Before:", date2);
+date2.setFullYear(1960);
+print("After:", date2);

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nashorn/test/script/basic/JDK-8062024.js.EXPECTED	Mon Oct 27 17:54:00 2014 +0530
@@ -0,0 +1,4 @@
+Before: Sun Jan 01 1950 00:00:00 GMT+0530 (IST)
+After: Fri Jan 01 1960 00:00:00 GMT+0530 (IST)
+Before: Sun Jan 01 1950 00:00:01 GMT+0530 (IST)
+After: Fri Jan 01 1960 00:00:01 GMT+0530 (IST)