diff --git a/LangLang/Core/Controller/CourseController.cs b/LangLang/Core/Controller/CourseController.cs
index 204e750a..00142a5f 100644
--- a/LangLang/Core/Controller/CourseController.cs
+++ b/LangLang/Core/Controller/CourseController.cs
@@ -35,11 +35,12 @@ public void Subscribe(IObserver observer)
             _courses.Subscribe(observer);
         }
 
+
         // Method checks if the course is valid for updating or canceling
         public bool IsCourseValid(int courseId)
         {
-            Course course = GetAllCourses()[id];
-            TimeSpan difference = course.StartDate - DateTime.Now;
+            Course course = GetAllCourses()[courseId];
+            TimeSpan difference = course.StartDateTime - DateTime.Now;
             return difference.TotalDays < 7;
         }
 
@@ -47,7 +48,7 @@ public bool IsCourseValid(int courseId)
         public bool IsCourseAvailable(int courseId)
         {
             Course course = GetAllCourses()[courseId];
-            TimeSpan difference = course.StartDate - DateTime.Now;
+            TimeSpan difference = course.StartDateTime - DateTime.Now;
             if (difference.TotalDays < 7)
             {
                 if (course.Online)
@@ -81,5 +82,20 @@ public Dictionary<int, Course> GetCoursesByTutor(Tutor tutor)
             return coursesByTutor;
         }
 
+        public Dictionary<int, Course> GetCoursesByTutor(int tutorId)
+        {
+            Dictionary<int, Course> coursesByTutor = new Dictionary<int, Course>();
+
+            foreach (Course course in GetAllCourses().Values)
+            {
+                if (course.TutorId == tutorId)
+                {
+                    coursesByTutor[course.Id] = course;
+                }
+            }
+
+            return coursesByTutor;
+        }
+
     }   
 }
\ No newline at end of file
diff --git a/LangLang/Core/Model/Course.cs b/LangLang/Core/Model/Course.cs
index b408b105..4f836691 100644
--- a/LangLang/Core/Model/Course.cs
+++ b/LangLang/Core/Model/Course.cs
@@ -20,7 +20,7 @@ public class Course : ISerializable
         private bool _online;
         private int _numberOfStudents;
         private int _maxStudents;
-        private DateTime _startDate;
+        private DateTime _startDateTime;
 
         // Properties
 
@@ -77,16 +77,16 @@ public int MaxStudents
             set { _maxStudents = value; }
         }
 
-        public DateTime StartDate 
+        public DateTime StartDateTime 
         {
-            get { return _startDate; }
-            set { _startDate = value; }
+            get { return _startDateTime; }
+            set { _startDateTime = value; }
         }
 
         // Constructors
 
         public Course(int id, int tutorId, string language, LanguageLevel level, int numberOfWeeks, List<WeekDays> days,
-            bool online, int maxStudents, DateTime startDate)
+            bool online, int maxStudents, DateTime startDateTime)
         {
             Id = id;
             TutorId = tutorId;
@@ -97,7 +97,7 @@ public Course(int id, int tutorId, string language, LanguageLevel level, int num
             Online = online;
             NumberOfStudents = 0;
             MaxStudents = maxStudents;
-            StartDate = startDate;
+            StartDateTime = startDateTime;
         }
         
         public Course()
@@ -118,7 +118,7 @@ public string ToString()
                 sbDays.Remove(sbDays.Length - 1, 1);
             }
 
-            return $"ID: {Id,5} | Language: {Language,20} | Level: {Level,5} | NumberOfWeeks: {NumberOfWeeks,5} | Days: {sbDays, 10} | Online: {Online,5} | NumberOfStudents : {NumberOfStudents,5} | MaxStudents : {MaxStudents,5} | CreationDate : {StartDate,10} |";
+            return $"ID: {Id,5} | Language: {Language,20} | Level: {Level,5} | NumberOfWeeks: {NumberOfWeeks,5} | Days: {sbDays, 10} | Online: {Online,5} | NumberOfStudents : {NumberOfStudents,5} | MaxStudents : {MaxStudents,5} | StartDateTime : {StartDateTime,10} |";
         }
 
         public string[] ToCSV()
@@ -145,7 +145,7 @@ public string[] ToCSV()
                 Online.ToString(),
                 NumberOfStudents.ToString(),
                 MaxStudents.ToString(),
-                StartDate.ToString()
+                StartDateTime.ToString()
             };
             return csvValues;
         }
@@ -168,7 +168,7 @@ public void FromCSV(string[] values)
             Online = bool.Parse(values[5]);
             NumberOfStudents = int.Parse(values[6]);
             MaxStudents = int.Parse(values[7]);
-            StartDate = DateTime.Parse(values[8]);
+            StartDateTime = DateTime.Parse(values[8]);
         }
     }
 }