diff --git a/Userland/Libraries/LibGUI/Calendar.cpp b/Userland/Libraries/LibGUI/Calendar.cpp
index 23f1b1ca5c..7bccaa2391 100644
--- a/Userland/Libraries/LibGUI/Calendar.cpp
+++ b/Userland/Libraries/LibGUI/Calendar.cpp
@@ -1,6 +1,7 @@
 /*
  * Copyright (c) 2019-2020, Ryan Grieb <ryan.m.grieb@gmail.com>
  * Copyright (c) 2020-2022, the SerenityOS developers.
+ * Copyright (c) 2022, Tobias Christiansen <tobyase@serenityos.org>
  *
  * SPDX-License-Identifier: BSD-2-Clause
  */
@@ -30,6 +31,12 @@ Calendar::Calendar(Core::DateTime date_time, Mode mode)
     auto first_day_of_week = Config::read_string("Calendar"sv, "View"sv, "FirstDayOfWeek"sv, "Sunday"sv);
     m_first_day_of_week = static_cast<DayOfWeek>(day_of_week_index(first_day_of_week));
 
+    auto first_day_of_weekend = Config::read_string("Calendar"sv, "View"sv, "FirstDayOfWeekend"sv, "Saturday"sv);
+    m_first_day_of_weekend = static_cast<DayOfWeek>(day_of_week_index(first_day_of_weekend));
+
+    auto weekend_length = Config::read_i32("Calendar"sv, "View"sv, "WeekendLength"sv, 2);
+    m_weekend_length = weekend_length;
+
     set_fill_with_background_color(true);
 
     for (int i = 0; i < 7; i++) {
@@ -760,6 +767,17 @@ void Calendar::config_string_did_change(String const& domain, String const& grou
     if (domain == "Calendar" && group == "View" && key == "FirstDayOfWeek") {
         m_first_day_of_week = static_cast<DayOfWeek>(day_of_week_index(value));
         update_tiles(m_view_year, m_view_month);
+    } else if (domain == "Calendar" && group == "View" && key == "FirstDayOfWeekend") {
+        m_first_day_of_weekend = static_cast<DayOfWeek>(day_of_week_index(value));
+        update();
+    }
+}
+
+void Calendar::config_i32_did_change(String const& domain, String const& group, String const& key, i32 value)
+{
+    if (domain == "Calendar" && group == "View" && key == "WeekendLength") {
+        m_weekend_length = value;
+        update();
     }
 }
 }
diff --git a/Userland/Libraries/LibGUI/Calendar.h b/Userland/Libraries/LibGUI/Calendar.h
index 56a2c394bf..dea9c5f5a6 100644
--- a/Userland/Libraries/LibGUI/Calendar.h
+++ b/Userland/Libraries/LibGUI/Calendar.h
@@ -1,6 +1,7 @@
 /*
  * Copyright (c) 2019-2020, Ryan Grieb <ryan.m.grieb@gmail.com>
  * Copyright (c) 2020-2022, the SerenityOS developers.
+ * Copyright (c) 2022, Tobias Christiansen <tobyase@serenityos.org>
  *
  * SPDX-License-Identifier: BSD-2-Clause
  */
@@ -71,6 +72,7 @@ public:
     }
 
     virtual void config_string_did_change(String const&, String const&, String const&, String const&) override;
+    virtual void config_i32_did_change(String const&, String const&, String const&, i32 value) override;
 
     Function<void()> on_tile_click;
     Function<void()> on_tile_doubleclick;
@@ -146,6 +148,8 @@ private:
         Saturday
     };
     DayOfWeek m_first_day_of_week { DayOfWeek::Sunday };
+    DayOfWeek m_first_day_of_weekend { DayOfWeek::Saturday };
+    int m_weekend_length { 2 };
 };
 
 }