diff --git a/nextjs/src/app/course/[courseName]/settings/DefaultDueTime.tsx b/nextjs/src/app/course/[courseName]/settings/DefaultDueTime.tsx
index 8123cfc..058d92d 100644
--- a/nextjs/src/app/course/[courseName]/settings/DefaultDueTime.tsx
+++ b/nextjs/src/app/course/[courseName]/settings/DefaultDueTime.tsx
@@ -5,10 +5,15 @@ import {
   useUpdateLocalCourseSettingsMutation,
 } from "@/hooks/localCourse/localCoursesHooks";
 import { TimePicker } from "../../../../components/TimePicker";
+import { useState } from "react";
+import DefaultLockOffset from "./DefaultLockOffset";
 
 export default function DefaultDueTime() {
   const { data: settings } = useLocalCourseSettingsQuery();
   const updateSettings = useUpdateLocalCourseSettingsMutation();
+  const [haveLockOffset, setHaveLockOffset] = useState(
+    !!settings.defaultLockHoursOffset
+  );
   return (
     <div className="border w-fit p-3 m-3 rounded-md">
       <div className="text-center">Default Assignment Due Time</div>
@@ -23,6 +28,37 @@ export default function DefaultDueTime() {
           });
         }}
       />
+      <hr />
+      {!haveLockOffset && (
+        <button
+          onClick={async () => {
+            await updateSettings.mutateAsync({
+              ...settings,
+              defaultLockHoursOffset: 0,
+            });
+            setHaveLockOffset(true);
+          }}
+        >
+          have a default Lock Offset?
+        </button>
+      )}
+
+      {haveLockOffset && <DefaultLockOffset />}
+      <br />
+      {haveLockOffset && (
+        <button
+          className="btn-danger"
+          onClick={async () => {
+            await updateSettings.mutateAsync({
+              ...settings,
+              defaultLockHoursOffset: undefined,
+            });
+            setHaveLockOffset(false);
+          }}
+        >
+          remove default Lock Offset?
+        </button>
+      )}
     </div>
   );
 }
diff --git a/nextjs/src/app/course/[courseName]/settings/DefaultLockOffset.tsx b/nextjs/src/app/course/[courseName]/settings/DefaultLockOffset.tsx
new file mode 100644
index 0000000..4b9cd8a
--- /dev/null
+++ b/nextjs/src/app/course/[courseName]/settings/DefaultLockOffset.tsx
@@ -0,0 +1,44 @@
+"use client";
+
+import TextInput from "@/components/form/TextInput";
+import {
+  useLocalCourseSettingsQuery,
+  useUpdateLocalCourseSettingsMutation,
+} from "@/hooks/localCourse/localCoursesHooks";
+import { useEffect, useState } from "react";
+
+export default function DefaultLockOffset() {
+  const { data: settings } = useLocalCourseSettingsQuery();
+  const updateSettings = useUpdateLocalCourseSettingsMutation();
+  const [hoursOffset, setHoursOffset] = useState(
+    settings.defaultLockHoursOffset?.toString() ?? "0"
+  );
+
+  useEffect(() => {
+    const id = setTimeout(() => {
+      try {
+        const hoursNumber = parseInt(hoursOffset);
+        if (hoursNumber && hoursNumber !== settings.defaultLockHoursOffset) {
+          updateSettings.mutate({
+            ...settings,
+            defaultLockHoursOffset: hoursNumber,
+          });
+        }
+      } catch {}
+    }, 500);
+    return () => clearTimeout(id);
+  }, [hoursOffset, settings, settings.defaultLockHoursOffset, updateSettings]);
+
+  return (
+    <div>
+      <div className="text-center">Default Assignment Due Time</div>
+      <hr className="m-1 p-0" />
+
+      <TextInput
+        value={hoursOffset}
+        setValue={(n) => setHoursOffset(n)}
+        label={"Hours Offset"}
+      />
+    </div>
+  );
+}
diff --git a/nextjs/src/app/newCourse/NewCourseForm.tsx b/nextjs/src/app/newCourse/NewCourseForm.tsx
index dfc33c8..e4d67f6 100644
--- a/nextjs/src/app/newCourse/NewCourseForm.tsx
+++ b/nextjs/src/app/newCourse/NewCourseForm.tsx
@@ -95,6 +95,7 @@ export default function NewCourseForm() {
                       AssignmentSubmissionType.ONLINE_UPLOAD,
                     ],
                     defaultFileUploadTypes: ["pdf", "png", "jpg", "jpeg"],
+                    defaultLockHoursOffset: 0
                   },
                 })
                 .then(() => {
diff --git a/nextjs/src/models/local/localCourse.ts b/nextjs/src/models/local/localCourse.ts
index d326e0b..74859ab 100644
--- a/nextjs/src/models/local/localCourse.ts
+++ b/nextjs/src/models/local/localCourse.ts
@@ -21,6 +21,7 @@ export interface LocalCourseSettings {
   startDate: string;
   endDate: string;
   defaultDueTime: SimpleTimeOnly;
+  defaultLockHoursOffset?: number;
   defaultAssignmentSubmissionTypes: AssignmentSubmissionType[];
   defaultFileUploadTypes: string[];
 }