diff --git a/src/main/java/com/metamx/common/guava/Comparators.java b/src/main/java/com/metamx/common/guava/Comparators.java
index 0a4b9fda..1de3f86f 100644
--- a/src/main/java/com/metamx/common/guava/Comparators.java
+++ b/src/main/java/com/metamx/common/guava/Comparators.java
@@ -64,7 +64,7 @@ public int compare(T t, T t1)
     };
   }
 
-  private static final Comparator<Interval> INTERVAL_COMPARATOR = new Comparator<Interval>()
+  private static final Comparator<Interval> INTERVAL_BY_START_THEN_END = new Comparator<Interval>()
   {
     private final DateTimeComparator dateTimeComp = DateTimeComparator.getInstance();
 
@@ -79,6 +79,21 @@ public int compare(Interval lhs, Interval rhs)
     }
   };
 
+  private static final Comparator<Interval> INTERVAL_BY_END_THEN_START = new Comparator<Interval>()
+  {
+    private final DateTimeComparator dateTimeComp = DateTimeComparator.getInstance();
+
+    @Override
+    public int compare(Interval lhs, Interval rhs)
+    {
+      int retVal = dateTimeComp.compare(lhs.getEnd(), rhs.getEnd());
+      if (retVal == 0) {
+        retVal = dateTimeComp.compare(lhs.getStart(), rhs.getStart());
+      }
+      return retVal;
+    }
+  };
+
   @Deprecated
   public static Comparator<Interval> intervals()
   {
@@ -87,6 +102,12 @@ public static Comparator<Interval> intervals()
 
   public static Comparator<Interval> intervalsByStartThenEnd()
   {
-    return INTERVAL_COMPARATOR;
+    return INTERVAL_BY_START_THEN_END;
   }
+
+  public static Comparator<Interval> intervalsByEndThenStart()
+  {
+    return INTERVAL_BY_END_THEN_START;
+  }
+
 }
diff --git a/src/test/java/com/metamx/common/guava/ComparatorsTest.java b/src/test/java/com/metamx/common/guava/ComparatorsTest.java
index 2b8d189f..8afd92e3 100644
--- a/src/test/java/com/metamx/common/guava/ComparatorsTest.java
+++ b/src/test/java/com/metamx/common/guava/ComparatorsTest.java
@@ -42,9 +42,9 @@ public void testInverse() throws Exception
   }
 
   @Test
-  public void testIntervals() throws Exception
+  public void testIntervalsByStartThenEnd() throws Exception
   {
-    Comparator<Interval> comp = Comparators.intervals();
+    Comparator<Interval> comp = Comparators.intervalsByStartThenEnd();
 
     Assert.assertEquals(0, comp.compare(new Interval("P1d/2011-04-02"), new Interval("2011-04-01/2011-04-02")));
     Assert.assertEquals(-1, comp.compare(new Interval("2011-03-31/2011-04-02"), new Interval("2011-04-01/2011-04-02")));
@@ -76,4 +76,40 @@ public void testIntervals() throws Exception
         intervals
     );
   }
+
+  @Test
+  public void testIntervalsByEndThenStart() throws Exception
+  {
+    Comparator<Interval> comp = Comparators.intervalsByEndThenStart();
+
+    Assert.assertEquals(0, comp.compare(new Interval("P1d/2011-04-02"), new Interval("2011-04-01/2011-04-02")));
+    Assert.assertEquals(-1, comp.compare(new Interval("2011-04-01/2011-04-03"), new Interval("2011-04-01/2011-04-04")));
+    Assert.assertEquals(1, comp.compare(new Interval("2011-04-01/2011-04-02"), new Interval("2011-04-01/2011-04-01")));
+    Assert.assertEquals(-1, comp.compare(new Interval("2011-04-01/2011-04-03"), new Interval("2011-04-02/2011-04-03")));
+    Assert.assertEquals(1, comp.compare(new Interval("2011-04-01/2011-04-03"), new Interval("2011-03-31/2011-04-03")));
+
+    Interval[] intervals = new Interval[]{
+        new Interval("2011-04-01T18/2011-04-02T13"),
+        new Interval("2011-04-01/2011-04-03"),
+        new Interval("2011-04-01/2011-04-04"),
+        new Interval("2011-04-02/2011-04-04"),
+        new Interval("2011-04-01/2011-04-02"),
+        new Interval("2011-04-02/2011-04-03"),
+        new Interval("2011-04-02/2011-04-03T06")
+    };
+    Arrays.sort(intervals, comp);
+
+    Assert.assertArrayEquals(
+        new Interval[]{
+            new Interval("2011-04-01/2011-04-02"),
+            new Interval("2011-04-01T18/2011-04-02T13"),
+            new Interval("2011-04-01/2011-04-03"),
+            new Interval("2011-04-02/2011-04-03"),
+            new Interval("2011-04-02/2011-04-03T06"),
+            new Interval("2011-04-01/2011-04-04"),
+            new Interval("2011-04-02/2011-04-04")
+            },
+        intervals
+    );
+  }
 }