diff --git a/source/includes/fact-timezone-description.rst b/source/includes/fact-timezone-description.rst
index 35ee2d04a5a..4788849470f 100644
--- a/source/includes/fact-timezone-description.rst
+++ b/source/includes/fact-timezone-description.rst
@@ -6,6 +6,8 @@ an `Olson Timezone Identifier
 `UTC Offset <https://en.wikipedia.org/wiki/List_of_UTC_time_offsets>`_.
 If no ``timezone`` is provided, the result is displayed in ``UTC``.
 
+.. include:: /includes/fact-timezone-etc-limit.rst
+
 .. list-table::
    :header-rows: 1
    :widths: 30 70
diff --git a/source/includes/fact-timezone-etc-limit.rst b/source/includes/fact-timezone-etc-limit.rst
new file mode 100644
index 00000000000..40cd0bca550
--- /dev/null
+++ b/source/includes/fact-timezone-etc-limit.rst
@@ -0,0 +1,6 @@
+.. note:: Etc/ Timezones
+
+   ``Etc/*`` timezones are supported starting in MongoDB 5.0.4. In
+   earlier versions of MongoDB, use alternative timezone designations.
+   For example, use ``UTC`` instead of ``Etc/UTC``.
+
diff --git a/source/reference/configuration-options.txt b/source/reference/configuration-options.txt
index 38f1924a99f..df73f15b5e5 100644
--- a/source/reference/configuration-options.txt
+++ b/source/reference/configuration-options.txt
@@ -740,8 +740,9 @@ Core Options
 
    .. include:: /includes/fact-timeZoneInfo.rst
 
-   .. include::  /includes/warning-timeZoneInfo.rst
+   .. include::  /includes/fact-timezone-etc-limit.rst
 
+   .. include::  /includes/warning-timeZoneInfo.rst
 
 .. _free-monitoring-configuration-options:
 
diff --git a/source/reference/program/mongod.txt b/source/reference/program/mongod.txt
index 8a88381138f..07794969fce 100644
--- a/source/reference/program/mongod.txt
+++ b/source/reference/program/mongod.txt
@@ -774,6 +774,8 @@ Core Options
       unzip timezonedb-latest.zip
       mongod --timeZoneInfo timezonedb-2017b/
 
+   .. include:: /includes/fact-timezone-etc-limit.rst
+
    .. include::  /includes/warning-timeZoneInfo.rst
 
    .. seealso::
diff --git a/source/reference/program/mongos.txt b/source/reference/program/mongos.txt
index 7eb37f8f4d2..4c34b1192ff 100644
--- a/source/reference/program/mongos.txt
+++ b/source/reference/program/mongos.txt
@@ -633,6 +633,8 @@ Core Options
       unzip timezonedb-latest.zip
       mongos --timeZoneInfo timezonedb-2017b/
 
+   .. include:: /includes/fact-timezone-etc-limit.rst
+
    .. include::  /includes/warning-timeZoneInfo.rst