=== modified file 'dhis-2/dhis-web/dhis-web-api/src/main/java/org/hisp/dhis/api/utils/ops/EqOp.java'
--- dhis-2/dhis-web/dhis-web-api/src/main/java/org/hisp/dhis/api/utils/ops/EqOp.java	2014-03-12 08:16:09 +0000
+++ dhis-2/dhis-web/dhis-web-api/src/main/java/org/hisp/dhis/api/utils/ops/EqOp.java	2014-03-12 08:32:41 +0000
@@ -29,10 +29,11 @@
  */
 
 import java.util.Collection;
+import java.util.Date;
 
 /**
-* @author Morten Olav Hansen <mortenoh@gmail.com>
-*/
+ * @author Morten Olav Hansen <mortenoh@gmail.com>
+ */
 public class EqOp extends Op
 {
     @Override
@@ -85,6 +86,13 @@
                 return OpStatus.EXCLUDE;
             }
         }
+        else if ( Date.class.isInstance( object ) )
+        {
+            Date s1 = getValue( Date.class );
+            Date s2 = (Date) object;
+
+            return (s1 != null && s2.equals( s1 )) ? OpStatus.INCLUDE : OpStatus.EXCLUDE;
+        }
 
         return OpStatus.IGNORE;
     }

=== modified file 'dhis-2/dhis-web/dhis-web-api/src/main/java/org/hisp/dhis/api/utils/ops/GtOp.java'
--- dhis-2/dhis-web/dhis-web-api/src/main/java/org/hisp/dhis/api/utils/ops/GtOp.java	2014-03-12 08:16:09 +0000
+++ dhis-2/dhis-web/dhis-web-api/src/main/java/org/hisp/dhis/api/utils/ops/GtOp.java	2014-03-12 08:32:41 +0000
@@ -29,10 +29,11 @@
  */
 
 import java.util.Collection;
+import java.util.Date;
 
 /**
-* @author Morten Olav Hansen <mortenoh@gmail.com>
-*/
+ * @author Morten Olav Hansen <mortenoh@gmail.com>
+ */
 public class GtOp extends Op
 {
     @Override
@@ -71,6 +72,13 @@
                 return OpStatus.EXCLUDE;
             }
         }
+        else if ( Date.class.isInstance( object ) )
+        {
+            Date s1 = getValue( Date.class );
+            Date s2 = (Date) object;
+
+            return (s1 != null && s2.after( s1 )) ? OpStatus.INCLUDE : OpStatus.EXCLUDE;
+        }
 
         return OpStatus.IGNORE;
     }

=== modified file 'dhis-2/dhis-web/dhis-web-api/src/main/java/org/hisp/dhis/api/utils/ops/GteOp.java'
--- dhis-2/dhis-web/dhis-web-api/src/main/java/org/hisp/dhis/api/utils/ops/GteOp.java	2014-03-12 08:16:09 +0000
+++ dhis-2/dhis-web/dhis-web-api/src/main/java/org/hisp/dhis/api/utils/ops/GteOp.java	2014-03-12 08:32:41 +0000
@@ -29,10 +29,11 @@
  */
 
 import java.util.Collection;
+import java.util.Date;
 
 /**
-* @author Morten Olav Hansen <mortenoh@gmail.com>
-*/
+ * @author Morten Olav Hansen <mortenoh@gmail.com>
+ */
 public class GteOp extends Op
 {
     @Override
@@ -71,6 +72,13 @@
                 return OpStatus.EXCLUDE;
             }
         }
+        else if ( Date.class.isInstance( object ) )
+        {
+            Date s1 = getValue( Date.class );
+            Date s2 = (Date) object;
+
+            return (s1 != null && (s2.after( s1 ) || s2.equals( s1 ))) ? OpStatus.INCLUDE : OpStatus.EXCLUDE;
+        }
 
         return OpStatus.IGNORE;
     }

=== modified file 'dhis-2/dhis-web/dhis-web-api/src/main/java/org/hisp/dhis/api/utils/ops/LtOp.java'
--- dhis-2/dhis-web/dhis-web-api/src/main/java/org/hisp/dhis/api/utils/ops/LtOp.java	2014-03-12 08:16:09 +0000
+++ dhis-2/dhis-web/dhis-web-api/src/main/java/org/hisp/dhis/api/utils/ops/LtOp.java	2014-03-12 08:32:41 +0000
@@ -29,10 +29,11 @@
  */
 
 import java.util.Collection;
+import java.util.Date;
 
 /**
-* @author Morten Olav Hansen <mortenoh@gmail.com>
-*/
+ * @author Morten Olav Hansen <mortenoh@gmail.com>
+ */
 public class LtOp extends Op
 {
     @Override
@@ -71,6 +72,13 @@
                 return OpStatus.EXCLUDE;
             }
         }
+        else if ( Date.class.isInstance( object ) )
+        {
+            Date s1 = getValue( Date.class );
+            Date s2 = (Date) object;
+
+            return (s1 != null && (s2.before( s1 ))) ? OpStatus.INCLUDE : OpStatus.EXCLUDE;
+        }
 
         return OpStatus.IGNORE;
     }

=== modified file 'dhis-2/dhis-web/dhis-web-api/src/main/java/org/hisp/dhis/api/utils/ops/LteOp.java'
--- dhis-2/dhis-web/dhis-web-api/src/main/java/org/hisp/dhis/api/utils/ops/LteOp.java	2014-03-12 08:16:09 +0000
+++ dhis-2/dhis-web/dhis-web-api/src/main/java/org/hisp/dhis/api/utils/ops/LteOp.java	2014-03-12 08:32:41 +0000
@@ -29,10 +29,11 @@
  */
 
 import java.util.Collection;
+import java.util.Date;
 
 /**
-* @author Morten Olav Hansen <mortenoh@gmail.com>
-*/
+ * @author Morten Olav Hansen <mortenoh@gmail.com>
+ */
 public class LteOp extends Op
 {
     @Override
@@ -71,6 +72,13 @@
                 return OpStatus.EXCLUDE;
             }
         }
+        else if ( Date.class.isInstance( object ) )
+        {
+            Date s1 = getValue( Date.class );
+            Date s2 = (Date) object;
+
+            return (s1 != null && (s2.before( s1 ) || s2.equals( s1 ))) ? OpStatus.INCLUDE : OpStatus.EXCLUDE;
+        }
 
         return OpStatus.IGNORE;
     }

=== modified file 'dhis-2/dhis-web/dhis-web-api/src/main/java/org/hisp/dhis/api/utils/ops/Op.java'
--- dhis-2/dhis-web/dhis-web-api/src/main/java/org/hisp/dhis/api/utils/ops/Op.java	2014-03-12 08:16:09 +0000
+++ dhis-2/dhis-web/dhis-web-api/src/main/java/org/hisp/dhis/api/utils/ops/Op.java	2014-03-12 08:32:41 +0000
@@ -28,6 +28,8 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
 import java.util.Date;
 
 /**
@@ -37,6 +39,16 @@
 {
     private String value;
 
+    private static SimpleDateFormat[] simpleDateFormats = new SimpleDateFormat[]{
+        new SimpleDateFormat( "yyyy-MM-dd'T'HH:mm:ssZ" ),
+        new SimpleDateFormat( "yyyy-MM-dd'T'HH:mm:ss" ),
+        new SimpleDateFormat( "yyyy-MM-dd'T'HH:mm" ),
+        new SimpleDateFormat( "yyyy-MM-dd'T'HH" ),
+        new SimpleDateFormat( "yyyyMMdd" ),
+        new SimpleDateFormat( "yyyyMM" ),
+        new SimpleDateFormat( "yyyy" )
+    };
+
     public boolean wantValue()
     {
         return true;
@@ -92,6 +104,16 @@
         }
         else if ( Date.class.isAssignableFrom( klass ) )
         {
+            for ( SimpleDateFormat simpleDateFormat : simpleDateFormats )
+            {
+                try
+                {
+                    return (T) simpleDateFormat.parse( value );
+                }
+                catch ( ParseException ignored )
+                {
+                }
+            }
         }
 
         return null;