diff --git a/docs/control-panel/settings/general.md b/docs/control-panel/settings/general.md
index 8b5e1757c..b2a552f58 100755
--- a/docs/control-panel/settings/general.md
+++ b/docs/control-panel/settings/general.md
@@ -53,6 +53,9 @@ Specify the default timezone for your site. All dates and times displayed by Exp
 
 Specify the default date format for your site, and whether your site should display times in a 24-hour format or a 12-hour format with AM and PM. This is the format the Control Panel uses for displaying dates and for date input.
 
+### Week start
+The day on which the new week starts. This will be used when displaying calendars
+
 ### Show seconds?
 
 Specify whether your site should display seconds in times.
diff --git a/docs/development/models/member.md b/docs/development/models/member.md
index d2693b055..3ed44887d 100644
--- a/docs/development/models/member.md
+++ b/docs/development/models/member.md
@@ -74,6 +74,7 @@ lang: php
 - `timezone`
 - `time_format`
 - `date_format`
+- `week_start`
 - `include_seconds`
 - `profile_theme`
 - `forum_theme`
diff --git a/docs/general/system-configuration-overrides.md b/docs/general/system-configuration-overrides.md
index a75db4de0..bea4195df 100755
--- a/docs/general/system-configuration-overrides.md
+++ b/docs/general/system-configuration-overrides.md
@@ -3235,6 +3235,21 @@ Example Usage:
 
 **Also found in CP:** `Settings --> Security & Privacy`: [Website Session Type](control-panel/settings/security-privacy.md#website-session-type)
 
+### `week_start`
+
+Set the day on which the new week starts. If [allow_member_localization](#allow_member_localization) is enabled and a member has their own localization preference set, that will override this setting.
+
+| Value    | Description      |
+| -------- | ---------------- |
+| friday   | Friday           |
+| saturday | Saturday         |
+| sunday   | Sunday (default) |
+| monday   | Monday           |
+
+Example Usage:
+
+    $config['week_start'] = 'monday';
+
 ### `word_separator`
 
 Specify the character the system will use to replace spaces when auto-generating a URL title based on the entry's title.