days.sort()
         return days
 
+    @classmethod
+    def by_date(cls, db_conn: DatabaseConnection, date: str):
+        """Retrieve Day by date if in DB, else return None."""
+        for row in db_conn.exec('SELECT * FROM days WHERE date = ?', (date,)):
+            return cls.from_table_row(row)
+        return None
+
     @property
     def weekday(self):
         """Return what weekday matches self.date."""
 
-"""plom's task manager"""
+"""Web server stuff."""
 from http.server import BaseHTTPRequestHandler
 from http.server import HTTPServer
-from urllib.parse import urlparse
+from urllib.parse import urlparse, parse_qs
 from os.path import split as path_split
 from jinja2 import Environment as JinjaEnv, FileSystemLoader as JinjaFSLoader
 from plomtask.days import Day
     def do_GET(self):
         """Handle any GET request."""
         try:
+            conn = DatabaseConnection(self.server.db)
             parsed_url = urlparse(self.path)
             site = path_split(parsed_url.path)[1]
+            params = parse_qs(parsed_url.query)
             if 'calendar' == site:
-                html = self.do_GET_calendar()
+                html = self.do_GET_calendar(conn)
+            elif 'day' == site:
+                date = params.get('date', ['2024-01-01'])[0]
+                html = self.do_GET_day(conn, date)
             else:
                 raise HandledException('Test!')
+            conn.commit()
+            conn.close()
             self.send_html(html)
         except HandledException as error:
             self.send_msg(error)
 
-    def do_GET_calendar(self):
-        """Show sorted Days."""
-        conn = DatabaseConnection(self.server.db)
-        Day('2024-01-03').save(conn)
-        Day('2024-01-01').save(conn)
-        Day('2024-01-02').save(conn)
-        days = Day.all(conn)
-        conn.commit()
-        conn.close()
+    def do_GET_calendar(self, conn: DatabaseConnection):
+        """Show Days."""
         return self.server.jinja.get_template('calendar.html').render(
-                days=days)
+                days=Day.all(conn))
+
+    def do_GET_day(self, conn: DatabaseConnection, date: str):
+        """Show single Day."""
+        day = Day.by_date(conn, date)
+        return self.server.jinja.get_template('day.html').render(day=day)
 
         """Test Day.weekday."""
         self.assertEqual(Day('2024-03-17').weekday, 'Sunday')
 
+    def test_Day_by_date(self):
+        """Test Day.by_date()."""
+        timestamp = datetime.now().timestamp()
+        db_file = DatabaseFile(f'test_db:{timestamp}')
+        db_file.remake()
+        conn = DatabaseConnection(db_file)
+        self.assertEqual(None, Day.by_date(conn, '2024-01-01'))
+        Day('2024-01-01').save(conn)
+        self.assertEqual(Day('2024-01-01'), Day.by_date(conn, '2024-01-01'))
+        conn.close()
+        remove_file(db_file.path)
+
     def test_Day_all(self):
         """Test Day.all(), especially in regards to date range filtering."""
         timestamp = datetime.now().timestamp()