diff --git a/django/conf/global_settings.py b/django/conf/global_settings.py
index f985302ce7..729c38d7b0 100644
--- a/django/conf/global_settings.py
+++ b/django/conf/global_settings.py
@@ -51,6 +51,7 @@ LANGUAGE_CODE = 'en-us'
 LANGUAGES = [
     ('af', gettext_noop('Afrikaans')),
     ('ar', gettext_noop('Arabic')),
+    ('ar-dz', gettext_noop('Algerian Arabic')),
     ('ast', gettext_noop('Asturian')),
     ('az', gettext_noop('Azerbaijani')),
     ('bg', gettext_noop('Bulgarian')),
@@ -143,7 +144,7 @@ LANGUAGES = [
 ]
 
 # Languages using BiDi (right-to-left) layout
-LANGUAGES_BIDI = ["he", "ar", "fa", "ur"]
+LANGUAGES_BIDI = ["he", "ar", "ar-dz", "fa", "ur"]
 
 # If you set this to False, Django will make some optimizations so as not
 # to load the internationalization machinery.
diff --git a/django/conf/locale/__init__.py b/django/conf/locale/__init__.py
index 6af72b6c33..256ae01671 100644
--- a/django/conf/locale/__init__.py
+++ b/django/conf/locale/__init__.py
@@ -20,6 +20,12 @@ LANG_INFO = {
         'name': 'Arabic',
         'name_local': 'العربيّة',
     },
+    'ar-dz': {
+        'bidi': True,
+        'code': 'ar-dz',
+        'name': 'Algerian Arabic',
+        'name_local': 'العربية الجزائرية',
+    },
     'ast': {
         'bidi': False,
         'code': 'ast',
diff --git a/django/conf/locale/ar_DZ/__init__.py b/django/conf/locale/ar_DZ/__init__.py
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/django/conf/locale/ar_DZ/formats.py b/django/conf/locale/ar_DZ/formats.py
new file mode 100644
index 0000000000..23b1c20349
--- /dev/null
+++ b/django/conf/locale/ar_DZ/formats.py
@@ -0,0 +1,21 @@
+# This file is distributed under the same license as the Django package.
+#
+# The *_FORMAT strings use the Django date format syntax,
+# see https://docs.djangoproject.com/en/dev/ref/templates/builtins/#date
+DATE_FORMAT = 'j F Y'  # 04 نوفمبر 2020
+TIME_FORMAT = 'g:i A'
+# DATETIME_FORMAT =
+YEAR_MONTH_FORMAT = 'F Y'
+MONTH_DAY_FORMAT = 'j F'
+SHORT_DATE_FORMAT = 'd‏/m‏/Y'
+# SHORT_DATETIME_FORMAT =
+FIRST_DAY_OF_WEEK = 0  # Sunday
+
+# The *_INPUT_FORMATS strings use the Python strftime format syntax,
+# see https://docs.python.org/library/datetime.html#strftime-strptime-behavior
+# DATE_INPUT_FORMATS =
+# TIME_INPUT_FORMATS =
+# DATETIME_INPUT_FORMATS =
+DECIMAL_SEPARATOR = ','
+THOUSAND_SEPARATOR = '.'
+NUMBER_GROUPING = 3
diff --git a/django/conf/locale/en/LC_MESSAGES/django.po b/django/conf/locale/en/LC_MESSAGES/django.po
index a980f47b45..3ff6fd69c1 100644
--- a/django/conf/locale/en/LC_MESSAGES/django.po
+++ b/django/conf/locale/en/LC_MESSAGES/django.po
@@ -4,7 +4,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Django\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2019-09-27 22:40+0200\n"
+"POT-Creation-Date: 2019-12-13 09:47+0200\n"
 "PO-Revision-Date: 2010-05-13 15:35+0200\n"
 "Last-Translator: Django team\n"
 "Language-Team: English <en@li.org>\n"
@@ -22,6 +22,10 @@ msgstr ""
 msgid "Arabic"
 msgstr ""
 
+#: conf/global_settings.py:53
+msgid "Algerian Arabic"
+msgstr ""
+
 #: conf/global_settings.py:54
 msgid "Asturian"
 msgstr ""
diff --git a/docs/releases/3.1.txt b/docs/releases/3.1.txt
index 2e15f62860..b98d770ac5 100644
--- a/docs/releases/3.1.txt
+++ b/docs/releases/3.1.txt
@@ -181,6 +181,8 @@ Internationalization
   (string) value to explicitly state that the cookie is sent with all same-site
   and cross-site requests.
 
+* Added support and translations for the Algerian Arabic language.
+
 Logging
 ~~~~~~~