diff --git a/assignment/src/main/java/appointmentplanner/APFactory.java b/assignment/src/main/java/appointmentplanner/APFactory.java
index 5dd1f71..c56deb5 100644
--- a/assignment/src/main/java/appointmentplanner/APFactory.java
+++ b/assignment/src/main/java/appointmentplanner/APFactory.java
@@ -28,8 +28,7 @@ public class APFactory implements AbstractAPFactory {
 
   @Override
   public LocalDayPlan createLocalDayPlan(LocalDay day, Instant start, Instant end) {
-    // TODO Return an instance of your class that implements LocalDayPlan
-    return null;
+    return new LocalDayPlanImpl(day, start, end);
   }
 
   @Override
diff --git a/assignment/src/main/java/appointmentplanner/AppointmentImpl.java b/assignment/src/main/java/appointmentplanner/AppointmentImpl.java
index 2ad57e6..1fc203d 100644
--- a/assignment/src/main/java/appointmentplanner/AppointmentImpl.java
+++ b/assignment/src/main/java/appointmentplanner/AppointmentImpl.java
@@ -12,6 +12,13 @@ public class AppointmentImpl implements Appointment {
 
   private AppointmentRequest request;
 
+  public AppointmentImpl(Instant start, AppointmentRequest request) {
+    this.start = start;
+    this.request = request;
+
+    this.stop = start.plus(request.duration());
+  }
+
   @Override
   public Instant start() {
     return start;
diff --git a/assignment/src/main/java/appointmentplanner/LocalDayPlanImpl.java b/assignment/src/main/java/appointmentplanner/LocalDayPlanImpl.java
index 9e929cc..895ad57 100644
--- a/assignment/src/main/java/appointmentplanner/LocalDayPlanImpl.java
+++ b/assignment/src/main/java/appointmentplanner/LocalDayPlanImpl.java
@@ -3,6 +3,7 @@ package appointmentplanner;
 import java.time.Duration;
 import java.time.Instant;
 import java.time.LocalTime;
+import java.util.Iterator;
 import java.util.List;
 import java.util.Optional;
 import java.util.function.Predicate;
@@ -15,11 +16,12 @@ import appointmentplanner.api.LocalDayPlan;
 import appointmentplanner.api.TimePreference;
 import appointmentplanner.api.TimeSlot;
 import appointmentplanner.customlist.CustomLinkedListImpl;
+import appointmentplanner.customlist.CustomListToJavaBinding;
 import appointmentplanner.customlist.api.CustomLinkedList;
 
 public class LocalDayPlanImpl implements LocalDayPlan {
 
-  private CustomLinkedList<AppointmentImpl> timeline = new CustomLinkedListImpl<>();
+  private CustomLinkedList<Appointment> timeline = new CustomLinkedListImpl<>();
 
   public LocalDayPlanImpl(LocalDay day, Instant start, Instant end) {
     this.day = day;
@@ -55,8 +57,7 @@ public class LocalDayPlanImpl implements LocalDayPlan {
 
   @Override
   public Optional<Appointment> addAppointment(AppointmentData appointmentData, LocalTime startTime) {
-    // TODO Auto-generated method stub
-    throw new UnsupportedOperationException("Unimplemented method 'addAppointment'");
+    throw new UnsupportedOperationException();
   }
 
   @Override
@@ -67,20 +68,26 @@ public class LocalDayPlanImpl implements LocalDayPlan {
 
   @Override
   public AppointmentRequest removeAppointment(Appointment appointment) {
-    // TODO Auto-generated method stub
-    throw new UnsupportedOperationException("Unimplemented method 'removeAppointment'");
+    Appointment removedItem = timeline.remove(appointment);
+    return removedItem == null ? null : removedItem.request();
   }
 
   @Override
   public List<AppointmentRequest> removeAppointments(Predicate<Appointment> filter) {
-    // TODO Auto-generated method stub
-    throw new UnsupportedOperationException("Unimplemented method 'removeAppointments'");
+
+    CustomLinkedList<AppointmentRequest> removedRequests = new CustomLinkedListImpl<>();
+
+    for (Appointment appointment : timeline.removeFound(filter)) {
+      removedRequests.add(appointment.request());
+    }
+
+    return new CustomListToJavaBinding<>(removedRequests);
+
   }
 
   @Override
   public List<Appointment> appointments() {
-    // TODO Auto-generated method stub
-    throw new UnsupportedOperationException("Unimplemented method 'appointments'");
+    return new CustomListToJavaBinding<Appointment>(timeline);
   }
 
   @Override
@@ -89,28 +96,47 @@ public class LocalDayPlanImpl implements LocalDayPlan {
     throw new UnsupportedOperationException("Unimplemented method 'findMatchingFreeSlotsOfDuration'");
   }
 
+  private CustomLinkedList<TimeSlot> traverseGapsFitting(Duration toFind, CustomLinkedList<TimeSlot> goodSlots,
+      Instant startOfBefore, Iterator<Appointment> iterator) {
+
+    boolean hasNext = iterator.hasNext();
+
+    Appointment nextAppointment = hasNext ? iterator.next() : null;
+
+    TimeSlot possibleFittingSlot = new TimeSlotImpl(hasNext ? nextAppointment.end() : startOfDay(),
+        startOfBefore == null ? endOfDay() : startOfBefore);
+
+    if (possibleFittingSlot.fits(toFind)) {
+      goodSlots.add(possibleFittingSlot);
+    }
+
+    if (!hasNext) {
+      return goodSlots;
+    }
+
+    return traverseGapsFitting(toFind, goodSlots, nextAppointment.start(), iterator);
+
+  }
+
   @Override
   public List<TimeSlot> findGapsFitting(Duration duration) {
-    // TODO Auto-generated method stub
-    throw new UnsupportedOperationException("Unimplemented method 'findGapsFitting'");
+    return new CustomListToJavaBinding<>(
+        traverseGapsFitting(duration, new CustomLinkedListImpl<>(), null, timeline.iterator()));
   }
 
   @Override
   public List<Appointment> findAppointments(Predicate<Appointment> filter) {
-    // TODO Auto-generated method stub
-    throw new UnsupportedOperationException("Unimplemented method 'findAppointments'");
+    return new CustomListToJavaBinding<>(timeline.find(filter));
   }
 
   @Override
   public boolean contains(Appointment appointment) {
-    // TODO Auto-generated method stub
-    throw new UnsupportedOperationException("Unimplemented method 'contains'");
+    return timeline.contains(appointment);
   }
 
   @Override
   public int nrOfAppointments() {
-    // TODO Auto-generated method stub
-    throw new UnsupportedOperationException("Unimplemented method 'nrOfAppointments'");
+    return timeline.size();
   }
 
   @Override
diff --git a/assignment/src/main/java/appointmentplanner/TimeSlotImpl.java b/assignment/src/main/java/appointmentplanner/TimeSlotImpl.java
new file mode 100644
index 0000000..15c41cd
--- /dev/null
+++ b/assignment/src/main/java/appointmentplanner/TimeSlotImpl.java
@@ -0,0 +1,27 @@
+package appointmentplanner;
+
+import java.time.Instant;
+
+import appointmentplanner.api.TimeSlot;
+
+public class TimeSlotImpl implements TimeSlot {
+
+  private Instant start;
+  private Instant end;
+
+  public TimeSlotImpl(Instant start, Instant end) {
+    this.start = start;
+    this.end = end;
+  }
+
+  @Override
+  public Instant start() {
+    return start;
+  }
+
+  @Override
+  public Instant end() {
+    return end;
+  }
+
+}
diff --git a/assignment/src/main/java/appointmentplanner/customlist/CustomLinkedListImpl.java b/assignment/src/main/java/appointmentplanner/customlist/CustomLinkedListImpl.java
index 5d482a2..316730d 100644
--- a/assignment/src/main/java/appointmentplanner/customlist/CustomLinkedListImpl.java
+++ b/assignment/src/main/java/appointmentplanner/customlist/CustomLinkedListImpl.java
@@ -1,6 +1,7 @@
 package appointmentplanner.customlist;
 
 import java.util.Iterator;
+import java.util.function.Predicate;
 
 import appointmentplanner.customlist.api.CustomLinkedList;
 
@@ -84,31 +85,32 @@ public class CustomLinkedListImpl<T> implements CustomLinkedList<T> {
   }
 
   @Override
-  public void remove(T item) {
+  public T remove(T item) {
 
     if (head == null) {
-      return;
+      return null;
     }
 
     if (head.getItem().equals(item)) {
       head = head.getNext();
-      return;
+      return item;
     }
 
     CustomLinkedListNode<T> beforeNode = traverseFind(head, item, ItemPosition.BEFORE);
 
     if (beforeNode == null) {
-      return;
+      return item;
     }
 
     CustomLinkedListNode<T> nodeToRemove = beforeNode.getNext();
 
     if (beforeNode.getNext() == null) {
       beforeNode.setNext(null);
-      return;
+      return item;
     }
 
     beforeNode.setNext(nodeToRemove.getNext());
+    return item;
   }
 
   @Override
@@ -172,4 +174,34 @@ public class CustomLinkedListImpl<T> implements CustomLinkedList<T> {
     return recursiveSizeCalc(this.head, 1);
   }
 
+  private CustomLinkedList<T> traverseFilter(Predicate<T> filter, CustomLinkedListNode<T> node,
+      CustomLinkedList<T> found) {
+
+    if (node == null) {
+      return found;
+    }
+
+    T item = node.getItem();
+
+    if (filter.test(item)) {
+      found.add(item);
+    }
+
+    return traverseFilter(filter, node.getNext(), found);
+  }
+
+  @Override
+  public CustomLinkedList<T> find(Predicate<T> filter) {
+    return traverseFilter(filter, head, new CustomLinkedListImpl<>());
+  }
+
+  @Override
+  public CustomLinkedList<T> removeFound(Predicate<T> filter) {
+    CustomLinkedList<T> items = find(filter);
+    for (T item : items) {
+      remove(item);
+    }
+    return items;
+  }
+
 }
diff --git a/assignment/src/main/java/appointmentplanner/customlist/CustomLinkedListIterator.java b/assignment/src/main/java/appointmentplanner/customlist/CustomLinkedListIterator.java
index a8d56a7..a688e79 100644
--- a/assignment/src/main/java/appointmentplanner/customlist/CustomLinkedListIterator.java
+++ b/assignment/src/main/java/appointmentplanner/customlist/CustomLinkedListIterator.java
@@ -17,6 +17,9 @@ public class CustomLinkedListIterator<T> implements Iterator<T> {
 
   @Override
   public boolean hasNext() {
+    if (lastNode == null) {
+      return false;
+    }
     return lastNode.getNext() != null;
   }
 
diff --git a/assignment/src/main/java/appointmentplanner/customlist/api/CustomLinkedList.java b/assignment/src/main/java/appointmentplanner/customlist/api/CustomLinkedList.java
index 6da82e4..5621bd0 100644
--- a/assignment/src/main/java/appointmentplanner/customlist/api/CustomLinkedList.java
+++ b/assignment/src/main/java/appointmentplanner/customlist/api/CustomLinkedList.java
@@ -1,11 +1,15 @@
 
 package appointmentplanner.customlist.api;
 
+import java.util.function.Predicate;
+
 public interface CustomLinkedList<T> extends Iterable<T> {
 
   void add(T item);
 
-  void remove(T item);
+  T remove(T item);
+
+  CustomLinkedList<T> removeFound(Predicate<T> filter);
 
   void insertAfter(T reference, T item);
 
@@ -18,4 +22,6 @@ public interface CustomLinkedList<T> extends Iterable<T> {
   boolean contains(T item);
 
   int size();
+
+  CustomLinkedList<T> find(Predicate<T> filter);
 }
diff --git a/assignment/src/test/java/appointmentplanner/LocalDayPlanTest.java b/assignment/src/test/java/appointmentplanner/LocalDayPlanTest.java
index f93060b..61c52e2 100644
--- a/assignment/src/test/java/appointmentplanner/LocalDayPlanTest.java
+++ b/assignment/src/test/java/appointmentplanner/LocalDayPlanTest.java
@@ -2,15 +2,19 @@ package appointmentplanner;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
+import java.time.Duration;
 import java.time.Instant;
+import java.util.List;
 import java.util.stream.Stream;
 
+import org.junit.jupiter.api.Test;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.Arguments;
 import org.junit.jupiter.params.provider.MethodSource;
 
 import appointmentplanner.api.LocalDay;
 import appointmentplanner.api.LocalDayPlan;
+import appointmentplanner.api.TimeSlot;
 
 public class LocalDayPlanTest {
 
@@ -23,14 +27,14 @@ public class LocalDayPlanTest {
 
   @ParameterizedTest
   @MethodSource("provideLocalDPDataset")
-  void ldPlanInit_shouldBeSuccessful(LocalDay day, Instant start, Instant end) {
+  void ldpInit_shouldBeSuccessful(LocalDay day, Instant start, Instant end) {
     LocalDayPlan plan = new LocalDayPlanImpl(day, start, end);
     assertThat(plan).isNotNull();
   }
 
   @ParameterizedTest
   @MethodSource("provideLocalDPDataset")
-  void ldPlanGetters_shouldReturnSetValues(LocalDay day, Instant start, Instant end) {
+  void ldpGetters_shouldReturnSetValues(LocalDay day, Instant start, Instant end) {
     LocalDayPlan plan = new LocalDayPlanImpl(day, start, end);
 
     assertThat(plan.day()).isEqualTo(day);
@@ -40,9 +44,18 @@ public class LocalDayPlanTest {
 
   @ParameterizedTest
   @MethodSource("provideLocalDPDataset")
-  void ldToString_shouldReturnStringContainingLocalDateAndTimeZone(LocalDay day, Instant start, Instant end) {
+  void ldpToString_shouldReturnStringContainingLocalDateAndTimeZone(LocalDay day, Instant start, Instant end) {
     LocalDayPlan plan = new LocalDayPlanImpl(day, start, end);
 
     assertThat(plan.toString()).contains(day.zone().toString(), day.date().toString());
   }
+
+  @Test
+  void ldpFindMatchingFreeSlotsOnEmptyDay() {
+    LocalDayPlan plan = TestData.emptyWorkingDay();
+
+    List<TimeSlot> freeSlots = plan.findGapsFitting(Duration.ofHours(2));
+
+    assertThat(freeSlots.size()).isEqualTo(1);
+  }
 }
diff --git a/assignment/src/test/java/appointmentplanner/customlist/api/CustomLinkedListTest.java b/assignment/src/test/java/appointmentplanner/customlist/api/CustomLinkedListTest.java
index bb8bf56..5d931c4 100644
--- a/assignment/src/test/java/appointmentplanner/customlist/api/CustomLinkedListTest.java
+++ b/assignment/src/test/java/appointmentplanner/customlist/api/CustomLinkedListTest.java
@@ -160,7 +160,21 @@ public class CustomLinkedListTest {
 
   }
 
-  private CustomLinkedList<String> initPopulatedList(String[] initData) {
+  @Test
+  void cllFind_shouldFindCorrectItem() {
+    CustomLinkedList<String> list = initPopulatedList("Ahoj", "ja", "jsem", "kkt");
+
+    CustomLinkedList<String> foundItems = list.find(i -> i.length() == 4);
+
+    assertThat(foundItems.size()).isEqualTo(2);
+
+    assertThat(foundItems.contains("Ahoj")).isTrue();
+    assertThat(foundItems.contains("jsem")).isTrue();
+    assertThat(foundItems.contains("kkt")).isFalse();
+
+  }
+
+  private CustomLinkedList<String> initPopulatedList(String... initData) {
     CustomLinkedList<String> list = new CustomLinkedListImpl<>();
     Stream.of(initData).forEach(list::add);
     return list;