diff --git a/tools/lib/capitalization.py b/tools/lib/capitalization.py
index 5ce16f63c0..5d4394a65d 100644
--- a/tools/lib/capitalization.py
+++ b/tools/lib/capitalization.py
@@ -167,6 +167,11 @@ IGNORED_PHRASES = [
     r"deactivated",
     # This is a reference to a setting/secret and should be lowercase.
     r"zulip_org_id",
+    # These are custom time unit options for modal dropdowns
+    r"minutes",
+    r"hours",
+    r"days",
+    r"weeks",
 ]
 
 # Sort regexes in descending order of their lengths. As a result, the
diff --git a/web/src/invite.ts b/web/src/invite.ts
index bbe180eee3..b022d63ae7 100644
--- a/web/src/invite.ts
+++ b/web/src/invite.ts
@@ -351,14 +351,13 @@ function open_invite_user_modal(e: JQuery.ClickEvent<Document, undefined>): void
     e.stopPropagation();
     e.preventDefault();
 
-    const time_unit_choices = ["minutes", "hours", "days", "weeks"];
     const html_body = render_invite_user_modal({
         is_admin: current_user.is_admin,
         is_owner: current_user.is_owner,
         development_environment: page_params.development_environment,
         invite_as_options: settings_config.user_role_values,
         expires_in_options: settings_config.expires_in_values,
-        time_choices: time_unit_choices,
+        time_choices: settings_config.custom_time_unit_values,
         show_select_default_streams_option: stream_data.get_default_stream_ids().length !== 0,
         user_has_email_set: !settings_data.user_email_not_configured(),
         can_subscribe_other_users: settings_data.user_can_subscribe_other_users(),
diff --git a/web/src/settings_config.ts b/web/src/settings_config.ts
index 9ab85e2144..453926a16b 100644
--- a/web/src/settings_config.ts
+++ b/web/src/settings_config.ts
@@ -545,6 +545,25 @@ export const expires_in_values = {
     },
 };
 
+export const custom_time_unit_values = {
+    minutes: {
+        name: "minutes",
+        description: $t({defaultMessage: "minutes"}),
+    },
+    hours: {
+        name: "hours",
+        description: $t({defaultMessage: "hours"}),
+    },
+    days: {
+        name: "days",
+        description: $t({defaultMessage: "days"}),
+    },
+    weeks: {
+        name: "weeks",
+        description: $t({defaultMessage: "weeks"}),
+    },
+};
+
 const user_role_array = Object.values(user_role_values);
 export const user_role_map = new Map(user_role_array.map((role) => [role.code, role.description]));
 
diff --git a/web/templates/invite_user_modal.hbs b/web/templates/invite_user_modal.hbs
index c0c8806115..fdcade3f55 100644
--- a/web/templates/invite_user_modal.hbs
+++ b/web/templates/invite_user_modal.hbs
@@ -46,7 +46,7 @@
             <input type="text" autocomplete="off" name="custom-expiration-time" id="custom-expiration-time-input" class="custom-expiration-time inline-block" value="" maxlength="3"/>
             <select class="custom-expiration-time invite-user-select modal_select bootstrap-focus-style" id="custom-expiration-time-unit">
                 {{#each time_choices}}
-                    <option name="custom_time_choice" class="custom_time_choice" value="{{this}}">{{this}}</option>
+                    <option name="custom_time_choice" class="custom_time_choice" value="{{this.name}}">{{this.description}}</option>
                 {{/each}}
             </select>
             <p id="custom_expires_on"></p>