diff --git a/core/src/main/java/hudson/Util.java b/core/src/main/java/hudson/Util.java
index a83963c329..35e71eaa4e 100644
--- a/core/src/main/java/hudson/Util.java
+++ b/core/src/main/java/hudson/Util.java
@@ -9,6 +9,7 @@ import org.apache.tools.ant.types.FileSet;
 import org.apache.tools.ant.taskdefs.Chmod;
 import org.apache.tools.ant.taskdefs.Copy;
 import org.kohsuke.stapler.Stapler;
+import org.jvnet.localizer.Localizable;
 
 import java.io.BufferedReader;
 import java.io.ByteArrayInputStream;
@@ -365,6 +366,7 @@ public class Util {
 
     /**
      * Returns a human readable text of the time duration.
+     * This version should be used for representing a duration of some activity (like build)
      *
      * @param duration
      *      number of milliseconds.
@@ -389,6 +391,14 @@ public class Util {
         return Messages.Util_year(duration);
     }
 
+    /**
+     * Get a human readable string representing strings like "xxx days ago",
+     * which should be used to point to the occurence of an event in the past. 
+     */
+    public static String getPastTimeString(long duration) {
+        return Messages.Util_pastTime(getTimeSpanString(duration));
+    }
+
     /**
      * Combines number and unit, with a plural suffix if needed.
      */
diff --git a/core/src/main/java/hudson/model/Run.java b/core/src/main/java/hudson/model/Run.java
index 3a38b7ef8d..178c1c5460 100644
--- a/core/src/main/java/hudson/model/Run.java
+++ b/core/src/main/java/hudson/model/Run.java
@@ -345,7 +345,7 @@ public abstract class Run <JobT extends Job<JobT,RunT>,RunT extends Run<JobT,Run
      */
     public String getTimestampString() {
         long duration = new GregorianCalendar().getTimeInMillis()-timestamp.getTimeInMillis();
-        return Util.getTimeSpanString(duration);
+        return Util.getPastTimeString(duration);
     }
 
     /**
diff --git a/core/src/main/resources/lib/hudson/projectView.jelly b/core/src/main/resources/lib/hudson/projectView.jelly
index e7f427cd08..439fff8051 100644
--- a/core/src/main/resources/lib/hudson/projectView.jelly
+++ b/core/src/main/resources/lib/hudson/projectView.jelly
@@ -119,7 +119,7 @@
             <td>
               <j:if test="${job.buildable and job.hasPermission(job.BUILD)}">
                 <a href="${jobBaseUrl}${job.shortUrl}build">
-                  <img src="${imagesURL}/${subIconSize}/clock.gif" title="Schedule a build" border="0" /></a>
+                  <img src="${imagesURL}/${subIconSize}/clock.gif" title="${%Schedule a build}" border="0" /></a>
               </j:if>
             </td>
           </tr>
diff --git a/core/src/main/resources/lib/hudson/projectView_ja.properties b/core/src/main/resources/lib/hudson/projectView_ja.properties
index e855b6a50f..351b581789 100644
--- a/core/src/main/resources/lib/hudson/projectView_ja.properties
+++ b/core/src/main/resources/lib/hudson/projectView_ja.properties
@@ -2,4 +2,5 @@ Job=\u30b8\u30e7\u30d6
 Last\ Success=\u6700\u5f8c\u306e\u6210\u529f
 Last\ Failure=\u6700\u5f8c\u306e\u5931\u6557
 Last\ Duration=\u30d3\u30eb\u30c9\u6240\u8981\u6642\u9593
-N/A=\u2015
\ No newline at end of file
+N/A=\u2015
+Schedule\ a\ build=\u30d3\u30eb\u30c9\u5b9f\u884c
\ No newline at end of file