diff --git a/app/Liquid/Utils/ExpressionUtils.php b/app/Liquid/Utils/ExpressionUtils.php
index 9715de2..924bcf0 100644
--- a/app/Liquid/Utils/ExpressionUtils.php
+++ b/app/Liquid/Utils/ExpressionUtils.php
@@ -168,6 +168,19 @@ class ExpressionUtils
     public static function strftimeToPhpFormat(string $strftimeFormat): string
     {
         $conversions = [
+            // Special Ruby format cases
+            '%N' => 'u',        // Microseconds (Ruby) -> microseconds (PHP)
+            '%u' => 'u',        // Microseconds (Ruby) -> microseconds (PHP)
+            '%-m' => 'n',       // Month without leading zero (Ruby) -> month without leading zero (PHP)
+            '%-d' => 'j',       // Day without leading zero (Ruby) -> day without leading zero (PHP)
+            '%-H' => 'G',       // Hour without leading zero (Ruby) -> hour without leading zero (PHP)
+            '%-I' => 'g',       // Hour 12h without leading zero (Ruby) -> hour 12h without leading zero (PHP)
+            '%-M' => 'i',       // Minute without leading zero (Ruby) -> minute without leading zero (PHP)
+            '%-S' => 's',       // Second without leading zero (Ruby) -> second without leading zero (PHP)
+            '%z' => 'O',        // Timezone offset (Ruby) -> timezone offset (PHP)
+            '%Z' => 'T',        // Timezone name (Ruby) -> timezone name (PHP)
+            
+            // Standard strftime conversions
             '%A' => 'l',     // Full weekday name
             '%a' => 'D',     // Abbreviated weekday name
             '%B' => 'F',     // Full month name
diff --git a/app/Models/Plugin.php b/app/Models/Plugin.php
index 2fd3718..74cb5bf 100644
--- a/app/Models/Plugin.php
+++ b/app/Models/Plugin.php
@@ -216,14 +216,14 @@ class Plugin extends Model
      */
     private function applyLiquidReplacements(string $template): string
     {
-        $replacements = [
-            'date: "%N"' => 'date: "u"',
-            'date: "%u"' => 'date: "u"',
-            '%-m/%-d/%Y' => 'm/d/Y',
-        ];
+
+        $replacements = [];
 
         // Apply basic replacements
         $template = str_replace(array_keys($replacements), array_values($replacements), $template);
+        
+        // Convert Ruby/strftime date formats to PHP date formats
+        $template = $this->convertDateFormats($template);
 
         // Convert {% render "template" with %} syntax to {% render "template", %} syntax
         $template = preg_replace(
@@ -251,6 +251,25 @@ class Plugin extends Model
         return $template;
     }
 
+    /**
+     * Convert Ruby/strftime date formats to PHP date formats in Liquid templates
+     */
+    private function convertDateFormats(string $template): string
+    {
+        // Handle date filter formats: date: "format"
+        $template = preg_replace_callback(
+            '/date:\s*"([^"]+)"/',
+            function ($matches): string {
+                $format = $matches[1];
+                $convertedFormat = \App\Liquid\Utils\ExpressionUtils::strftimeToPhpFormat($format);
+                return 'date: "'.$convertedFormat.'"';
+            },
+            $template
+        );
+
+        return $template;
+    }
+
     /**
      * Resolve Liquid variables in a template string using the Liquid template engine
      *