diff --git a/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/IAllocatable.java b/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/IAllocatable.java
index 82001913a..f89d1c241 100644
--- a/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/IAllocatable.java
+++ b/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/IAllocatable.java
@@ -34,4 +34,6 @@ public interface IAllocatable extends IAllocateResourcesPerDay {
 
     public IAllocateHoursOnInterval fromStartUntil(LocalDate endExclusive);
 
+    public IAllocateHoursOnInterval fromEndUntil(LocalDate start);
+
 }
\ No newline at end of file
diff --git a/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/ResourceAllocation.java b/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/ResourceAllocation.java
index cb8ec1d22..e66bf2949 100644
--- a/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/ResourceAllocation.java
+++ b/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/ResourceAllocation.java
@@ -592,10 +592,28 @@ public abstract class ResourceAllocation<T extends DayAssignment> extends
             };
         }
 
+        @Override
+        public IAllocateHoursOnInterval fromEndUntil(final LocalDate start) {
+            return new IAllocateHoursOnInterval() {
+
+                @Override
+                public void allocateHours(int hours) {
+                    allocate(IntraDayDate.startOfDay(start),
+                            task.getIntraDayEndDate(), hours(hours));
+                }
+            };
+        }
+
         private void allocate(LocalDate end, EffortDuration durationToAssign) {
             IntraDayDate startInclusive = getStartAfterConsolidated();
+            IntraDayDate endExclusive = IntraDayDate.startOfDay(end);
+            allocate(startInclusive, endExclusive, durationToAssign);
+        }
+
+        private void allocate(IntraDayDate startInclusive,
+                IntraDayDate endExclusive, EffortDuration durationToAssign) {
             List<T> assignmentsCreated = createAssignments(startInclusive,
-                    IntraDayDate.startOfDay(end), durationToAssign);
+                    endExclusive, durationToAssign);
             resetAssignmentsTo(assignmentsCreated);
             updateResourcesPerDay();
         }
diff --git a/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/SpecificResourceAllocation.java b/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/SpecificResourceAllocation.java
index d9f387aca..08b539f34 100644
--- a/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/SpecificResourceAllocation.java
+++ b/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/SpecificResourceAllocation.java
@@ -170,6 +170,11 @@ public class SpecificResourceAllocation extends
         return new SpecificAssignmentsAllocation().fromStartUntil(endExclusive);
     }
 
+    @Override
+    public IAllocateHoursOnInterval fromEndUntil(LocalDate start) {
+        return new SpecificAssignmentsAllocation().fromEndUntil(start);
+    }
+
     private final class SpecificAssignmentsAllocation extends
             AssignmentsAllocation {
 
diff --git a/navalplanner-business/src/test/java/org/navalplanner/business/test/planner/entities/SpecificResourceAllocationTest.java b/navalplanner-business/src/test/java/org/navalplanner/business/test/planner/entities/SpecificResourceAllocationTest.java
index 16acea33a..f83d052ad 100644
--- a/navalplanner-business/src/test/java/org/navalplanner/business/test/planner/entities/SpecificResourceAllocationTest.java
+++ b/navalplanner-business/src/test/java/org/navalplanner/business/test/planner/entities/SpecificResourceAllocationTest.java
@@ -305,6 +305,17 @@ public class SpecificResourceAllocationTest {
                 equalTo(ResourcesPerDay.amount(1)));
     }
 
+    @Test
+    public void canAssignFromEndUntilStart() {
+        LocalDate start = new LocalDate(2000, 2, 4);
+        givenSpecificResourceAllocation(start, 4);
+        specificResourceAllocation.fromEndUntil(start).allocateHours(32);
+        assertThat(specificResourceAllocation.getAssignments(),
+                haveHours(8, 8, 8, 8));
+        assertThat(specificResourceAllocation.getResourcesPerDay(),
+                equalTo(ResourcesPerDay.amount(1)));
+    }
+
     @Test
     public void canBeNotifiedWhenADayAssignmentIsRemoved() {
         LocalDate start = new LocalDate(2000, 2, 4);