diff --git a/src/org/ntlab/traceDebugger/analyzerProvider/Alias.java b/src/org/ntlab/traceDebugger/analyzerProvider/Alias.java
index 0ff8e1a..0579ac5 100644
--- a/src/org/ntlab/traceDebugger/analyzerProvider/Alias.java
+++ b/src/org/ntlab/traceDebugger/analyzerProvider/Alias.java
@@ -72,6 +72,26 @@
 		return occurrencePoint.getMethodExecution().getSignature();
 //		return occurrencePoint.getMethodExecution().getCallerSideSignature();
 	}
+
+	/**
+	 * Get time stamp of statement.
+	 * @return
+	 */
+	public long getTimeStamp() {
+		if (!occurrencePoint.isValid()) {
+			return occurrencePoint.getMethodExecution().getEntryTime();
+		}
+		long stTimeStamp = occurrencePoint.getStatement().getTimeStamp();
+		Statement st = occurrencePoint.getStatement();
+		if (aliasType == AliasType.RETURN_VALUE) {
+			stTimeStamp = occurrencePoint.getMethodExecution().getExitTime();
+		} else if (aliasType == AliasType.METHOD_INVOCATION && st instanceof MethodInvocation) {
+			stTimeStamp = ((MethodInvocation) st).getCalledMethodExecution().getExitTime();
+		} else if (aliasType == AliasType.FORMAL_PARAMETER) {
+			stTimeStamp = occurrencePoint.getMethodExecution().getEntryTime();			
+		}
+		return stTimeStamp;
+	}
 	
 	public int getLineNo() {
 		try {