diff --git a/server/src/data/app.py b/server/src/data/app.py
index 5e5ec8c..706178d 100644
--- a/server/src/data/app.py
+++ b/server/src/data/app.py
@@ -1,8 +1,11 @@
 from flask import Flask, render_template, request, redirect, url_for, jsonify
 import sqlite3
+import re
 
 app = Flask(__name__)
 
+pattern = re.compile(r"^(?:[01]\d|2[0-3]):[0-5]\d$") # Regex "XX:XX"
+
 DB_PATH = "data.db"
 
 conn = sqlite3.connect(DB_PATH)
@@ -16,6 +19,11 @@ CREATE TABLE IF NOT EXISTS items (
     noshutdown INTEGER DEFAULT 0
 )
 """)
+cursor.execute("""
+CREATE TABLE IF NOT EXISTS val (
+    default_time TEXT NOT NULL DEFAULT '21:00'
+)
+""")
 conn.commit()
 conn.close()
 
@@ -30,9 +38,10 @@ def mainpage():
     cursor = conn.cursor()
     cursor.execute("SELECT name, time, noshutdown FROM items ORDER BY name")
     items = cursor.fetchall()
+    cursor.execute("SELECT default_time FROM val")
+    default_time = cursor.fetchone()
     conn.close()
-    print(items)
-    return render_template('index.html', title='BS Shutdown', items=items)
+    return render_template('index.html', title='BS Shutdown', items=items, default_time=default_time)
 
 @app.route('/submit', methods =['POST'])
 def submit():
@@ -45,6 +54,9 @@ def submit():
         return redirect(url_for("mainpage"))
     if noshutdown == 1:
         time_value = 'None'
+    if time_value != 'None':
+        if bool(pattern.match(time_value)) is not True:
+            return redirect(url_for("mainpage"))
     conn = get_db_connection()
     cursor = conn.cursor()
     cursor.execute('SELECT 1 FROM items WHERE name = ?', (value,))
@@ -57,6 +69,18 @@ def submit():
     conn.close()
     return redirect(url_for("mainpage"))
 
+@app.route("/submit-default", methods=["POST"])
+def submit_default():
+    time_value = request.form.get("time-select")
+    conn = get_db_connection()
+    cursor = conn.cursor()
+    if bool(pattern.match(time_value)) is not True:
+        return redirect(url_for("mainpage"))
+    cursor.execute("UPDATE val SET default_time = ?", (time_value,))
+    conn.commit()
+    conn.close()
+    return redirect(url_for("mainpage"))
+
 @app.route("/delete", methods=["POST"])
 def delete():
     value = request.form.get("item_name")