diff --git a/src/test/java/bookbob/functions/CommandHandlerTest.java b/src/test/java/bookbob/functions/CommandHandlerTest.java
index 8a9de9e35..64e69784c 100644
--- a/src/test/java/bookbob/functions/CommandHandlerTest.java
+++ b/src/test/java/bookbob/functions/CommandHandlerTest.java
@@ -888,8 +888,8 @@ void editCommand_nricInputtedNotInRecord_noPatientFoundMessageGetsPrinted() thro
     //@@author G13nd0n
     @Test
     void testAppointment_onePatient_onePatient() throws IOException {
-        command.appointment("n/John Doe ic/S1234567A date/18-11-2024 time/18:00", appointmentRecord);
-        String expectedOutput = "Appointment on 18-11-2024 18:00 with Patient John Doe, S1234567A has been added.";
+        command.appointment("n/John Doe ic/S1234567A date/28-12-2024 time/18:00", appointmentRecord);
+        String expectedOutput = "Appointment on 28-12-2024 18:00 with Patient John Doe, S1234567A has been added.";
         assertEquals(expectedOutput,
                 outputStreamCaptor.toString().trim().replace(System.lineSeparator(), "\n"));
     }
@@ -964,20 +964,20 @@ void editVisitCommand_editVisitDateOnlyWithCorrectInputFormat_editVisitSuccessfu
     //@@author G13nd0n
     @Test
     void testdeleteAppointment_onePatient_onePatient() throws IOException {
-        command.appointment("n/John Doe ic/S1234567A date/18-11-2024 time/18:00", appointmentRecord);
-        command.appointment("n/Helen Smith ic/S7654321A date/19-11-2024 time/18:00", appointmentRecord);
-        command.deleteAppointment("ic/S1234567A date/18-11-2024 time/18:00", appointmentRecord);
+        command.appointment("n/John Doe ic/S1234567A date/28-12-2024 time/18:00", appointmentRecord);
+        command.appointment("n/Helen Smith ic/S7654321A date/29-12-2024 time/18:00", appointmentRecord);
+        command.deleteAppointment("ic/S1234567A date/28-12-2024 time/18:00", appointmentRecord);
         assertEquals(1, appointmentRecord.getAppointments().size());
     }
 
     //author G13nd0n
     @Test
     void testlistAppointment_noInput_multipleOutput() throws IOException {
-        command.appointment("n/John Doe ic/S1234567A date/18-11-2024 time/18:00", appointmentRecord);
-        command.appointment("n/Helen Smith ic/S7654321A date/19-11-2024 time/18:00", appointmentRecord);
-        String expectedOutput = "Appointment on 18-11-2024 18:00 with Patient John Doe, S1234567A has been added.\n" +
-                "Appointment on 19-11-2024 18:00 with Patient Helen Smith, S7654321A has been added.\n" +
-                "Appointment on 18-11-2024 18:00 with Patient John Doe, S1234567A.\n" + "Appointment on 19-11-2024 " +
+        command.appointment("n/John Doe ic/S1234567A date/28-12-2024 time/18:00", appointmentRecord);
+        command.appointment("n/Helen Smith ic/S7654321A date/29-12-2024 time/18:00", appointmentRecord);
+        String expectedOutput = "Appointment on 28-12-2024 18:00 with Patient John Doe, S1234567A has been added.\n" +
+                "Appointment on 29-12-2024 18:00 with Patient Helen Smith, S7654321A has been added.\n" +
+                "Appointment on 28-12-2024 18:00 with Patient John Doe, S1234567A.\n" + "Appointment on 19-11-2024 " +
                 "18:00 with Patient Helen Smith, S7654321A.";
         command.listAppointments(appointmentRecord);
         assertEquals(expectedOutput, outputStreamCaptor.toString().trim().replace(System.lineSeparator(),
@@ -987,11 +987,11 @@ void testlistAppointment_noInput_multipleOutput() throws IOException {
     //author G13nd0n
     @Test
     void testFindAppointment_name_oneOutput() throws IOException {
-        command.appointment("n/John Doe ic/S1234567A date/18-11-2024 time/18:00", appointmentRecord);
-        command.appointment("n/Helen Smith ic/S7654321A date/19-11-2024 time/18:00", appointmentRecord);
-        String expectedOutput = "Appointment on 18-11-2024 18:00 with Patient John Doe, S1234567A has been added.\n" +
-                "Appointment on 19-11-2024 18:00 with Patient Helen Smith, S7654321A has been added.\n" +
-                "Appointment on 18-11-2024 18:00 with Patient John Doe, S1234567A.";
+        command.appointment("n/John Doe ic/S1234567A date/28-12-2024 time/18:00", appointmentRecord);
+        command.appointment("n/Helen Smith ic/S7654321A date/29-12-2024 time/18:00", appointmentRecord);
+        String expectedOutput = "Appointment on 28-12-2024 18:00 with Patient John Doe, S1234567A has been added.\n" +
+                "Appointment on 29-12-2024 18:00 with Patient Helen Smith, S7654321A has been added.\n" +
+                "Appointment on 28-12-2024 18:00 with Patient John Doe, S1234567A.";
         command.findAppointment("n/John Doe", appointmentRecord);
         assertEquals(expectedOutput, outputStreamCaptor.toString().trim().replace(System.lineSeparator(),
                 "\n"));
@@ -1000,11 +1000,11 @@ void testFindAppointment_name_oneOutput() throws IOException {
     //author G13nd0n
     @Test
     void testFindAppointment_nric_oneOutput() throws IOException {
-        command.appointment("n/John Doe ic/S1234567A date/18-11-2024 time/18:00", appointmentRecord);
-        command.appointment("n/Helen Smith ic/S7654321A date/19-11-2024 time/18:00", appointmentRecord);
-        String expectedOutput = "Appointment on 18-11-2024 18:00 with Patient John Doe, S1234567A has been added.\n" +
-                "Appointment on 19-11-2024 18:00 with Patient Helen Smith, S7654321A has been added.\n" +
-                "Appointment on 18-11-2024 18:00 with Patient John Doe, S1234567A.";
+        command.appointment("n/John Doe ic/S1234567A date/28-12-2024 time/18:00", appointmentRecord);
+        command.appointment("n/Helen Smith ic/S7654321A date/29-12-2024 time/18:00", appointmentRecord);
+        String expectedOutput = "Appointment on 28-12-2024 18:00 with Patient John Doe, S1234567A has been added.\n" +
+                "Appointment on 29-12-2024 18:00 with Patient Helen Smith, S7654321A has been added.\n" +
+                "Appointment on 28-12-2024 18:00 with Patient John Doe, S1234567A.";
         command.findAppointment("ic/S1234567A", appointmentRecord);
         assertEquals(expectedOutput, outputStreamCaptor.toString().trim().replace(System.lineSeparator(),
                 "\n"));
@@ -1013,11 +1013,11 @@ void testFindAppointment_nric_oneOutput() throws IOException {
     //author G13nd0n
     @Test
     void testFindAppointment_date_oneOutput() throws IOException {
-        command.appointment("n/John Doe ic/S1234567A date/18-11-2024 time/18:00", appointmentRecord);
-        command.appointment("n/Helen Smith ic/S7654321A date/19-11-2024 time/18:00", appointmentRecord);
-        String expectedOutput = "Appointment on 18-11-2024 18:00 with Patient John Doe, S1234567A has been added.\n" +
-                "Appointment on 19-11-2024 18:00 with Patient Helen Smith, S7654321A has been added.\n" +
-                "Appointment on 18-11-2024 18:00 with Patient John Doe, S1234567A.";
+        command.appointment("n/John Doe ic/S1234567A date/28-12-2024 time/18:00", appointmentRecord);
+        command.appointment("n/Helen Smith ic/S7654321A date/29-12-2024 time/18:00", appointmentRecord);
+        String expectedOutput = "Appointment on 28-12-2024 18:00 with Patient John Doe, S1234567A has been added.\n" +
+                "Appointment on 29-12-2024 18:00 with Patient Helen Smith, S7654321A has been added.\n" +
+                "Appointment on 28-12-2024 18:00 with Patient John Doe, S1234567A.";
         command.findAppointment("date/18-11-2024", appointmentRecord);
         assertEquals(expectedOutput, outputStreamCaptor.toString().trim().replace(System.lineSeparator(),
                 "\n"));
@@ -1026,11 +1026,11 @@ void testFindAppointment_date_oneOutput() throws IOException {
     //author G13nd0n
     @Test
     void testFindAppointment_time_twoOutput() throws IOException {
-        command.appointment("n/John Doe ic/S1234567A date/18-11-2024 time/18:00", appointmentRecord);
-        command.appointment("n/Helen Smith ic/S7654321A date/19-11-2024 time/18:00", appointmentRecord);
-        String expectedOutput = "Appointment on 18-11-2024 18:00 with Patient John Doe, S1234567A has been added.\n" +
-                "Appointment on 19-11-2024 18:00 with Patient Helen Smith, S7654321A has been added.\n" +
-                "Appointment on 18-11-2024 18:00 with Patient John Doe, S1234567A.\n" + "Appointment on 19-11-2024 " +
+        command.appointment("n/John Doe ic/S1234567A date/28-12-2024 time/18:00", appointmentRecord);
+        command.appointment("n/Helen Smith ic/S7654321A date/29-12-2024 time/18:00", appointmentRecord);
+        String expectedOutput = "Appointment on 28-12-2024 18:00 with Patient John Doe, S1234567A has been added.\n" +
+                "Appointment on 29-12-2024 18:00 with Patient Helen Smith, S7654321A has been added.\n" +
+                "Appointment on 28-12-2024 18:00 with Patient John Doe, S1234567A.\n" + "Appointment on 19-11-2024 " +
                 "18:00 with Patient Helen Smith, S7654321A.";
         command.findAppointment("time/18:00", appointmentRecord);
         assertEquals(expectedOutput, outputStreamCaptor.toString().trim().replace(System.lineSeparator(),