add UTC time to registration end date

common/lib/xmodule/xmodule/course_module.py

@@ -655,7 +655,7 @@ class CourseDescriptor(SequenceDescriptor):
 
         @property
         def registration_end_date_text(self):
-            return time.strftime("%b %d, %Y", self.registration_end_date)
+            return time.strftime("%b %d, %Y at %H:%M UTC", self.registration_end_date)
 
     @property
     def current_test_center_exam(self):

lms/templates/test_center_register.html

@@ -466,7 +466,7 @@
             <span class="label">Last Eligible Appointment Date:</span> <span class="value">${exam_info.last_eligible_appointment_date_text}</span>
           </li>            
           <li>
-            <span class="label">Registration End Date:</span> <span class="value">${exam_info.registration_end_date_text}</span>
+            <span class="label">Registration Ends:</span> <span class="value">${exam_info.registration_end_date_text}</span>
           </li>            
         </ul>
       % endif