diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0063bb543..31421280e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Output buffer is now cleaned for internal PHP errors as well, not just for Exceptions [#514](https://github.com/smarty-php/smarty/issues/514)
 - Fixed recursion and out of memory errors when caching in complicated template set-ups using inheritance and includes [#801](https://github.com/smarty-php/smarty/pull/801)
 - Fix Variable Usage in Exception message when unable to load subtemplate [#808](https://github.com/smarty-php/smarty/pull/808)
+- Fixed PHP8.1 deprecation notices for strftime [#672](https://github.com/smarty-php/smarty/issues/672)
 
 ## [4.2.1] - 2022-09-14
 
@@ -20,8 +21,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Applied appropriate javascript and html escaping in mailto plugin to counter injection attacks [#454](https://github.com/smarty-php/smarty/issues/454)
 
 ### Fixed
-- Fixed PHP8.1 deprecation errors in modifiers (upper, explode, number_format and replace) [#755](https://github.com/smarty-php/smarty/pull/755) and [#788](https://github.com/smarty-php/smarty/pull/788)
-- Fixed PHP8.1 deprecation errors in capitalize modifier [#789](https://github.com/smarty-php/smarty/issues/789)
+- Fixed PHP8.1 deprecation notices in modifiers (upper, explode, number_format and replace) [#755](https://github.com/smarty-php/smarty/pull/755) and [#788](https://github.com/smarty-php/smarty/pull/788)
+- Fixed PHP8.1 deprecation notices in capitalize modifier [#789](https://github.com/smarty-php/smarty/issues/789)
 - Fixed use of `rand()` without a parameter in math function [#794](https://github.com/smarty-php/smarty/issues/794)
 - Fixed unselected year/month/day not working in html_select_date [#395](https://github.com/smarty-php/smarty/issues/395)
 
diff --git a/libs/plugins/function.html_select_date.php b/libs/plugins/function.html_select_date.php
index a396046b2..d9c571976 100644
--- a/libs/plugins/function.html_select_date.php
+++ b/libs/plugins/function.html_select_date.php
@@ -316,8 +316,8 @@ function smarty_function_html_select_date($params, Smarty_Internal_Template $tem
         for ($i = 1; $i <= 12; $i++) {
             $_val = sprintf('%02d', $i);
             $_text = isset($month_names) ? smarty_function_escape_special_chars($month_names[ $i ]) :
-                ($month_format === '%m' ? $_val : strftime($month_format, $_month_timestamps[ $i ]));
-            $_value = $month_value_format === '%m' ? $_val : strftime($month_value_format, $_month_timestamps[ $i ]);
+                ($month_format === '%m' ? $_val : @strftime($month_format, $_month_timestamps[ $i ]));
+            $_value = $month_value_format === '%m' ? $_val : @strftime($month_value_format, $_month_timestamps[ $i ]);
             $_html_months .= '<option value="' . $_value . '"' . ($_val == $_month ? ' selected="selected"' : '') .
                              '>' . $_text . '</option>' . $option_separator;
         }
diff --git a/libs/plugins/modifier.date_format.php b/libs/plugins/modifier.date_format.php
index 8e7e0b6e1..e3589fd07 100644
--- a/libs/plugins/modifier.date_format.php
+++ b/libs/plugins/modifier.date_format.php
@@ -78,7 +78,8 @@ function smarty_modifier_date_format($string, $format = null, $default_date = ''
             }
             $format = str_replace($_win_from, $_win_to, $format);
         }
-        return strftime($format, $timestamp);
+        // @ to suppress deprecation errors when running in PHP8.1 or higher.
+        return @strftime($format, $timestamp);
     } else {
         return date($format, $timestamp);
     }