diff --git a/frontend/src/pages/Home/index.js b/frontend/src/pages/Home/index.js
index 64b7d1c7..9b3e9416 100644
--- a/frontend/src/pages/Home/index.js
+++ b/frontend/src/pages/Home/index.js
@@ -85,6 +85,8 @@ const Home = () => {
               <Text fontSize="lg" color="#243A69" marginTop="2vh">
                 Período de Matrícula Atual:{" "}
                 {`${new Date(currentRegistrationPeriod.start).toLocaleDateString()} às ${new Date(
+                  currentRegistrationPeriod.start
+                ).toLocaleTimeString()} - ${new Date(currentRegistrationPeriod.end).toLocaleDateString()} às ${new Date(
                   currentRegistrationPeriod.end
                 ).toLocaleTimeString()}`}
               </Text>
diff --git a/frontend/src/pages/RegistrationPeriod/index.js b/frontend/src/pages/RegistrationPeriod/index.js
index 0a98d911..fc0ac7c3 100644
--- a/frontend/src/pages/RegistrationPeriod/index.js
+++ b/frontend/src/pages/RegistrationPeriod/index.js
@@ -60,7 +60,19 @@ const RegistrationPeriod = () => {
         }),
       endTime: yup
         .string()
-        .required("A hora de término é obrigatória"),
+        .required("A hora de término é obrigatória")
+        .test('isAfterStart', 'A hora de término deve ser posterior à hora de início', function (endTime) {
+          const { startDate, startTime, endDate } = this.parent;
+      
+          if (endDate === startDate) {
+            const startDateTime = new Date(`${startDate}T${startTime}`);
+            const endDateTime = new Date(`${endDate}T${endTime}`);
+      
+            return endDateTime > startDateTime;
+          }
+      
+          return true;
+        }),
     }),
     onSubmit: async (values) => {
       console.log(values);