diff --git a/extensions/guacamole-auth-restrict/src/main/java/org/apache/guacamole/calendar/TimeRestrictionParser.java b/extensions/guacamole-auth-restrict/src/main/java/org/apache/guacamole/calendar/TimeRestrictionParser.java
index 3c7099f45f..91b1954221 100644
--- a/extensions/guacamole-auth-restrict/src/main/java/org/apache/guacamole/calendar/TimeRestrictionParser.java
+++ b/extensions/guacamole-auth-restrict/src/main/java/org/apache/guacamole/calendar/TimeRestrictionParser.java
@@ -49,7 +49,7 @@ public class TimeRestrictionParser {
      * </ul>
      */
     private static final Pattern RESTRICTION_REGEX = 
-            Pattern.compile("(?:^|;)+([1-7*])(?::((?:[01][0-9]|2[0-3])[0-5][0-9])\\-((?:[01][0-9]|2[0-3])[0-5][0-9]))+");
+            Pattern.compile("(?:^|;)+([0-7*])(?::((?:[01][0-9]|2[0-3])[0-5][0-9])\\-((?:[01][0-9]|2[0-3])[0-5][0-9]))+");
     
     /**
      * The RegEx group that contains the start day-of-week of the restriction.
@@ -136,7 +136,14 @@ public static List<DailyRestriction> parseString(String restrictionString) {
                     
                 // A specific day of the week.
                 default:
-                    restrictions.add(new DailyRestriction(DayOfWeek.of(Integer.parseInt(dayString)), startTime, endTime));
+                    int dayInt = Integer.parseInt(dayString);
+                    
+                    // While JavaScript sees Sunday as "0" and "7", DayOfWeek
+                    // does not, so we'll convert it to "7" in order to process it.
+                    if (dayInt == 0)
+                        dayInt = 7;
+                    
+                    restrictions.add(new DailyRestriction(DayOfWeek.of(dayInt), startTime, endTime));
                     
             }
             
diff --git a/extensions/guacamole-auth-restrict/src/main/resources/controllers/timeRestrictionFieldController.js b/extensions/guacamole-auth-restrict/src/main/resources/controllers/timeRestrictionFieldController.js
index 86312aae6f..de83b6a93c 100644
--- a/extensions/guacamole-auth-restrict/src/main/resources/controllers/timeRestrictionFieldController.js
+++ b/extensions/guacamole-auth-restrict/src/main/resources/controllers/timeRestrictionFieldController.js
@@ -58,7 +58,6 @@ angular.module('guacRestrict').controller('timeRestrictionFieldController', ['$s
      * twice - once for the 0-index and once for the 7 index.
      */
     $scope.weekDays = [
-        { id : '0', day : 'Sunday' },
         { id : '1', day : 'Monday' },
         { id : '2', day : 'Tuesday' },
         { id : '3', day : 'Wednesday' },
@@ -132,8 +131,16 @@ angular.module('guacRestrict').controller('timeRestrictionFieldController', ['$s
             if (restrictionRegex.test(restrArray[i])) {
                 var currArray = restrArray[i].match(restrictionRegex);
                 let entry = new TimeRestrictionEntry();
-                entry.startTime = new Date(Date.UTC(templateDate.getFullYear(), templateDate.getMonth(), templateDate.getDate(), parseInt(currArray[2].slice(0,2)), parseInt(currArray[2].slice(2))));
-                entry.endTime = new Date(Date.UTC(templateDate.getFullYear(), templateDate.getMonth(), templateDate.getDate(), parseInt(currArray[3].slice(0,2)), parseInt(currArray[3].slice(2))));
+                entry.startTime = new Date(Date.UTC(templateDate.getFullYear(),
+                                                    templateDate.getMonth(),
+                                                    templateDate.getDate(),
+                                                    parseInt(currArray[2].slice(0,2)),
+                                                    parseInt(currArray[2].slice(2))));
+                entry.endTime = new Date(Date.UTC(templateDate.getFullYear(),
+                                                  templateDate.getMonth(),
+                                                  templateDate.getDate(),
+                                                  parseInt(currArray[3].slice(0,2)),
+                                                  parseInt(currArray[3].slice(2))));
                 var origDay = currArray[1];
                 
                 if (currArray[1] === '*')