diff --git a/controllers/common.php b/controllers/common.php
index 58c1fd9..ee03a4f 100644
--- a/controllers/common.php
+++ b/controllers/common.php
@@ -40,10 +40,7 @@ Router\before(function($action) {
 
     // Load translations
     $language = Model\Config\get('language') ?: 'en_US';
-
-    if ($language !== 'en_US') {
-        Translator\load($language);
-    }
+    Translator\load($language);
 
     // Set timezone
     date_default_timezone_set(Model\Config\get('timezone') ?: 'UTC');
diff --git a/lib/Translator.php b/lib/Translator.php
index 77c35ed..393bf78 100644
--- a/lib/Translator.php
+++ b/lib/Translator.php
@@ -10,7 +10,7 @@ namespace Translator {
         $args = \func_get_args();
 
         \array_shift($args);
-        \array_unshift($args, get($identifier, $identifier));
+        \array_unshift($args, get($identifier, $identifier, $args));
 
         foreach ($args as &$arg) {
             $arg = htmlspecialchars($arg, ENT_QUOTES, 'UTF-8', false);
@@ -76,23 +76,36 @@ namespace Translator {
             $format = preg_replace('#(?<!%)((?:%%)*)%e#', '\1%#d', $format);
             $format = preg_replace('#(?<!%)((?:%%)*)%k#', '\1%#H', $format);
         }
-        
+
         return strftime($format, (int) $timestamp);
     }
 
 
-    function get($identifier, $default = '')
+    function get($identifier, $default = '', $values = array())
     {
         $locales = container();
+        $translation = $default;
+        $plural = 0;
+
+        foreach ($values as $value) {
+            $value = abs($value);
+
+            if (is_numeric($value)) {
+                $plural = (int)$locales['plural']($value);
+                break;
+            }
+        }
 
         if (isset($locales[$identifier])) {
-
-            return $locales[$identifier];
+            if (is_array($locales[$identifier])) {
+                $translation = $locales[$identifier][$plural];
+            }
+            else {
+                $translation = $locales[$identifier];
+            }
         }
-        else {
 
-            return $default;
-        }
+        return $translation;
     }
 
 
diff --git a/lib/helpers.php b/lib/helpers.php
index 604da2d..176dd6c 100644
--- a/lib/helpers.php
+++ b/lib/helpers.php
@@ -135,22 +135,22 @@ function relative_time($timestamp, $fallback_date_format = '%e %B %Y %k:%M')
 
     if ($diff < 0) return \dt($fallback_date_format, $timestamp);
 
-    if ($diff < 60) return \t('%d second'.($diff > 1 ? 's' : '').' ago', $diff);
+    if ($diff < 60) return \t('%d second ago', $diff);
 
     $diff = floor($diff / 60);
-    if ($diff < 60) return \t('%d minute'.($diff > 1 ? 's' : '').' ago', $diff);
+    if ($diff < 60) return \t('%d minute ago', $diff);
 
     $diff = floor($diff / 60);
-    if ($diff < 24) return \t('%d hour'.($diff > 1 ? 's' : '').' ago', $diff);
+    if ($diff < 24) return \t('%d hour ago', $diff);
 
     $diff = floor($diff / 24);
-    if ($diff < 7) return \t('%d day'.($diff > 1 ? 's' : '').' ago', $diff);
+    if ($diff < 7) return \t('%d day ago', $diff);
 
     $diff = floor($diff / 7);
-    if ($diff < 4) return \t('%d week'.($diff > 1 ? 's' : '').' ago', $diff);
+    if ($diff < 4) return \t('%d week ago', $diff);
 
     $diff = floor($diff / 4);
-    if ($diff < 12) return \t('%d month'.($diff > 1 ? 's' : '').' ago', $diff);
+    if ($diff < 12) return \t('%d month ago', $diff);
 
     return \dt($fallback_date_format, $timestamp);
 }
diff --git a/locales/cs_CZ/translations.php b/locales/cs_CZ/translations.php
index eb7e743..43d2747 100644
--- a/locales/cs_CZ/translations.php
+++ b/locales/cs_CZ/translations.php
@@ -1,6 +1,7 @@
 <?php
 
 return array(
+    'plural' => function($n) { return (($n==1) ? 0 : (($n>=2 && $n<=4) ? 1 : 2)); },
     // 'attachment' => '',
     // 'When there is nothing to read, redirect me to this page' => '',
     // 'There is nothing new to read, enjoy your favorites articles!' => '',
@@ -62,8 +63,7 @@ return array(
     'Do not fetch the content of articles' => 'Nestahovat obsah článků',
     'Remove automatically read items' => 'Automaticky odstraňovat přečtené stránky',
     'Never' => 'Nikdy',
-    'After %d day' => 'Po %d dni',
-    'After %d days' => 'Po %d dnech',
+    'After %d day' => array('Po %d dni', 'Po %d dnech', 'Po %d dnech'),
     'unread' => 'nepřečtené',
     'Unread' => 'Nepřečtené',
     'bookmark' => 'přidat do záložek',
@@ -147,17 +147,11 @@ return array(
     'Show help' => 'Zobrazit nápovědu',
     'Close help' => 'Zavřít nápovědu',
     // '%d second ago' => '',
-    // '%d seconds ago' => '',
     // '%d minute ago' => '',
-    // '%d minutes ago' => '',
     // '%d hour ago' => '',
-    // '%d hours ago' => '',
     // '%d day ago' => '',
-    // '%d days ago' => '',
     // '%d week ago' => '',
-    // '%d weeks ago' => '',
     // '%d month ago' => '',
-    // '%d months ago' => '',
     // 'Timezone' => '',
     // 'Update all subscriptions' => '',
     // 'Auto-Update URL' => '',
diff --git a/locales/de_DE/translations.php b/locales/de_DE/translations.php
index 870b7fd..8a284b1 100644
--- a/locales/de_DE/translations.php
+++ b/locales/de_DE/translations.php
@@ -1,6 +1,7 @@
 <?php
 
 return array(
+    'plural' => function($n) { return ($n != 1); },
     'attachment' => 'Anhang',
     'When there is nothing to read, redirect me to this page' => 'Wenn es nichts zu lesen gibt, leite mich auf diese Seite weiter',
     'There is nothing new to read, enjoy your favorites articles!' => 'Es gibt nichts zu lesen, genieße deine Favoriten!',
@@ -62,8 +63,7 @@ return array(
     'Do not fetch the content of articles' => 'Den Inhalt der Artikel nicht auslesen',
     'Remove automatically read items' => 'Gelesene Einträge automatisch entfernen',
     'Never' => 'Niemals',
-    'After %d day' => 'Nach %d Tag',
-    'After %d days' => 'Nach %d Tagen',
+    'After %d day' => array('Nach %d Tag', 'Nach %d Tagen'),
     'unread' => 'ungelesen',
     'Unread' => 'Ungelesen',
     'bookmark' => 'Lesezeichen',
@@ -146,18 +146,12 @@ return array(
     'Nothing to read, do you want to %supdate your subscriptions%s?' => 'Nichts zu lesen, möchtest du %sdeine Abonnements aktualisieren%s?',
     'Show help' => 'Hilfe zeigen',
     'Close help' => 'Hilfe schließen',
-    '%d second ago' => 'Vor %d Sekunde',
-    '%d seconds ago' => 'Vor %d Sekunden',
-    '%d minute ago' => 'Vor %d Minute',
-    '%d minutes ago' => 'Vor %d Minuten',
-    '%d hour ago' => 'Vor %d Stunde',
-    '%d hours ago' => 'Vor %d Stunden',
-    '%d day ago' => 'Vor %d Tag',
-    '%d days ago' => 'Vor %d Tagen',
-    '%d week ago' => 'Vor %d Woche',
-    '%d weeks ago' => 'Vor %d Wochen',
-    '%d month ago' => 'Vor %d Monat',
-    '%d months ago' => 'Vor %d Monaten',
+    '%d second ago' => array('Vor %d Sekunde', 'Vor %d Sekunden'),
+    '%d minute ago' => array('Vor %d Minute', 'Vor %d Minuten'),
+    '%d hour ago' => array('Vor %d Stunde', 'Vor %d Stunden'),
+    '%d day ago' => array('Vor %d Tag', 'Vor %d Tagen'),
+    '%d week ago' => array('Vor %d Woche', 'Vor %d Wochen'),
+    '%d month ago' => array('Vor %d Monat', 'Vor %d Monaten'),
     'Timezone' => 'Zeitzone',
     'Update all subscriptions' => 'Alle Abonnements aktualisieren',
     'Auto-Update URL' => 'Auto-Update URL',
diff --git a/locales/en_US/translations.php b/locales/en_US/translations.php
new file mode 100644
index 0000000..4bd7670
--- /dev/null
+++ b/locales/en_US/translations.php
@@ -0,0 +1,12 @@
+<?php
+
+return array(
+    'plural' => function($n) { return ($n != 1); },
+    'After %d day' => array('After %d day', 'After %d days'),
+    '%d second ago' => array('%d second ago', '%d seconds ago'),
+    '%d minute ago' => array('%d minute ago', '%d minutes ago'),
+    '%d hour ago' => array('%d hour ago', '%d hours ago'),
+    '%d day ago' => array('%d day ago', '%d days ago'),
+    '%d week ago' => array('%d week ago', '%d weeks ago'),
+    '%d month ago' => array('%d month ago', '%d months ago'),
+);
diff --git a/locales/es_ES/translations.php b/locales/es_ES/translations.php
index 5551e71..b946bfd 100644
--- a/locales/es_ES/translations.php
+++ b/locales/es_ES/translations.php
@@ -1,6 +1,7 @@
 <?php
 
 return array(
+    'plural' => function($n) { return ($n != 1); },
     // 'attachment' => '',
     'When there is nothing to read, redirect me to this page' => 'Cuando no hay nada que leer, redirigirme a esta página',
     'There is nothing new to read, enjoy your favorites articles!' => 'No hay nada nuevo que leer, ¡disfrute de sus artículos favoritos!',
@@ -62,8 +63,7 @@ return array(
     'Do not fetch the content of articles' => 'No extraer el contenido de los artículos',
     'Remove automatically read items' => 'Borrar automáticamente los ítems leídos',
     'Never' => 'Nunca',
-    'After %d day' => 'Después de %d día',
-    'After %d days' => 'Después de %d días',
+    'After %d day' => array('Después de %d día', 'Después de %d días'),
     'unread' => 'no leídos',
     'Unread' => 'No leídos',
     'bookmark' => 'añadir a marcadores',
@@ -147,17 +147,11 @@ return array(
     'Show help' => 'Mostrar la ayuda',
     'Close help' => 'Cerrar la ayuda',
     // '%d second ago' => '',
-    // '%d seconds ago' => '',
     // '%d minute ago' => '',
-    // '%d minutes ago' => '',
     // '%d hour ago' => '',
-    // '%d hours ago' => '',
     // '%d day ago' => '',
-    // '%d days ago' => '',
     // '%d week ago' => '',
-    // '%d weeks ago' => '',
     // '%d month ago' => '',
-    // '%d months ago' => '',
     // 'Timezone' => '',
     // 'Update all subscriptions' => '',
     // 'Auto-Update URL' => '',
diff --git a/locales/fr_FR/translations.php b/locales/fr_FR/translations.php
index cf85347..e792e5e 100644
--- a/locales/fr_FR/translations.php
+++ b/locales/fr_FR/translations.php
@@ -1,6 +1,7 @@
 <?php
 
 return array(
+    'plural' => function($n) { return ($n != 1); },
     'attachment' => 'pièce jointe',
     'When there is nothing to read, redirect me to this page' => 'Quand il n\'y a rien à lire, redirigez moi vers cette page',
     'There is nothing new to read, enjoy your favorites articles!' => 'Il n\'y a rien de nouveau à lire, relisez vos articles favoris !',
@@ -62,8 +63,7 @@ return array(
     'Do not fetch the content of articles' => 'Ne pas récupérer le contenu des articles',
     'Remove automatically read items' => 'Supprimer automatiquement les éléments lus',
     'Never' => 'Jamais',
-    'After %d day' => 'Après %d jour',
-    'After %d days' => 'Après %d jours',
+    'After %d day' => array('Après %d jour', 'Après %d jours'),
     'unread' => 'non lus',
     'Unread' => 'Non lus',
     'bookmark' => 'ajouter aux favoris',
@@ -146,18 +146,12 @@ return array(
     'Nothing to read, do you want to %supdate your subscriptions%s?' => 'Il n\'y a rien à lire, voulez-vous %smettre à jour vos abonnements%s ?',
     'Show help' => 'Afficher l\'aide',
     'Close help' => 'Fermer l\'aide',
-    '%d second ago' => 'Il y a %d seconde',
-    '%d seconds ago' => 'Il y a %d secondes',
-    '%d minute ago' => 'Il y a %d minute',
-    '%d minutes ago' => 'Il y a %d minutes',
-    '%d hour ago' => 'Il y a %d heure',
-    '%d hours ago' => 'Il y a %d heures',
-    '%d day ago' => 'Il y a %d jour',
-    '%d days ago' => 'Il y a %d jours',
-    '%d week ago' => 'Il y a %d semaine',
-    '%d weeks ago' => 'Il y a %d semaines',
+    '%d second ago' => array('Il y a %d seconde', 'Il y a %d secondes'),
+    '%d minute ago' => array('Il y a %d minute', 'Il y a %d minutes'),
+    '%d hour ago' => array('Il y a %d heure', 'Il y a %d heures'),
+    '%d day ago' => array('Il y a %d jour', 'Il y a %d jours'),
+    '%d week ago' => array('Il y a %d semaine', 'Il y a %d semaines'),
     '%d month ago' => 'Il y a %d mois',
-    '%d months ago' => 'Il y a %d mois',
     'Timezone' => 'Fuseau horaire',
     'Update all subscriptions' => 'Mettre à jour tous les abonnements',
     'Auto-Update URL' => 'URL de mise à jour automatique',
diff --git a/locales/it_IT/translations.php b/locales/it_IT/translations.php
index 690c59a..cb69a02 100644
--- a/locales/it_IT/translations.php
+++ b/locales/it_IT/translations.php
@@ -1,6 +1,7 @@
 <?php
 
 return array(
+    'plural' => function($n) { return ($n != 1); },
     // 'attachment' => '',
     // 'When there is nothing to read, redirect me to this page' => '',
     // 'There is nothing new to read, enjoy your favorites articles!' => '',
@@ -62,8 +63,7 @@ return array(
     'Do not fetch the content of articles' => 'Non scaricare il contenuto degli articoli',
     'Remove automatically read items' => 'Cancella automaticamente articoli già letti',
     'Never' => 'Mai',
-    'After %d day' => 'Dopo %d giorno',
-    'After %d days' => 'Dopo %d giorni',
+    'After %d day' => array('Dopo %d giorno', 'Dopo %d giorni'),
     'unread' => 'non letti',
     'Unread' => 'Non letti',
     'bookmark' => 'bookmark',
@@ -147,17 +147,11 @@ return array(
     'Show help' => 'Mostra guida',
     'Close help' => 'Chiudi guida',
     // '%d second ago' => '',
-    // '%d seconds ago' => '',
     // '%d minute ago' => '',
-    // '%d minutes ago' => '',
     // '%d hour ago' => '',
-    // '%d hours ago' => '',
     // '%d day ago' => '',
-    // '%d days ago' => '',
     // '%d week ago' => '',
-    // '%d weeks ago' => '',
     // '%d month ago' => '',
-    // '%d months ago' => '',
     // 'Timezone' => '',
     // 'Update all subscriptions' => '',
     // 'Auto-Update URL' => '',
diff --git a/locales/pt_BR/translations.php b/locales/pt_BR/translations.php
index 229ec57..05af6a5 100644
--- a/locales/pt_BR/translations.php
+++ b/locales/pt_BR/translations.php
@@ -1,6 +1,7 @@
 <?php
 
 return array(
+    'plural' => function($n) { return ($n > 1); },
     'attachment' => 'anexo',
     'When there is nothing to read, redirect me to this page' => 'Quando não houver nada para ler, me redirecione para esta página',
     'There is nothing new to read, enjoy your favorites articles!' => 'Não há nada de novo para ler, desfrute de seus artigos favoritos!',
@@ -62,8 +63,7 @@ return array(
     'Do not fetch the content of articles' => 'Não buscar o conteúdo de artigos',
     'Remove automatically read items' => 'Remover automaticamente itens lidos',
     'Never' => 'Nunca',
-    'After %d day' => 'Depois de %d dia',
-    'After %d days' => 'Depois de %d dias',
+    'After %d day' => array('Depois de %d dia', 'Depois de %d dias'),
     'unread' => 'não lido',
     'Unread' => 'Não lido',
     'bookmark' => 'bookmark',
@@ -146,18 +146,12 @@ return array(
     'Nothing to read, do you want to %supdate your subscriptions%s?' => 'Nada para ler, você quer %satualizar suas assinaturas%s?',
     'Show help' => 'Abrir ajuda',
     'Close help' => 'Fechar ajuda',
-    '%d second ago' => '%d segundo atrás',
-    '%d seconds ago' => '%d segundos atrás',
-    '%d minute ago' => '%d minuto atrás',
-    '%d minutes ago' => '%d minutos atrás',
-    '%d hour ago' => '%d hora atrás',
-    '%d hours ago' => '%d horas atrás',
-    '%d day ago' => '%d dia atrás',
-    '%d days ago' => '%d dias atrás',
-    '%d week ago' => '%d semana atrás',
-    '%d weeks ago' => '%d semanas atrás',
-    '%d month ago' => '%d mês atrás',
-    '%d months ago' => '%d meses atrás',
+    '%d second ago' => array('%d segundo atrás', '%d segundos atrás'),
+    '%d minute ago' => array('%d minuto atrás', '%d minutos atrás'),
+    '%d hour ago' => array('%d hora atrás', '%d horas atrás'),
+    '%d day ago' => array('%d dia atrás', '%d dias atrás'),
+    '%d week ago' => array('%d semana atrás', '%d semanas atrás'),
+    '%d month ago' => array('%d mês atrás', '%d meses atrás'),
     'Timezone' => 'Fuso horário',
     'Update all subscriptions' => 'Atualizar todas as assinaturas',
     'Auto-Update URL' => 'URL de atualização automática',
diff --git a/locales/zh_CN/translations.php b/locales/zh_CN/translations.php
index c6c004d..b8bfd62 100644
--- a/locales/zh_CN/translations.php
+++ b/locales/zh_CN/translations.php
@@ -1,6 +1,7 @@
 <?php
 
 return array(
+    'plural' => function($n) { return 0; },
     // 'attachment' => '',
     // 'When there is nothing to read, redirect me to this page' => '',
     // 'There is nothing new to read, enjoy your favorites articles!' => '',
@@ -63,7 +64,6 @@ return array(
     'Remove automatically read items' => '自动移除已读条目',
     'Never' => '从不',
     'After %d day' => '%d 天之后',
-    'After %d days' => '%d 天之后',
     'unread' => '未读',
     'Unread' => '未读',
     'bookmark' => '收藏',
@@ -147,17 +147,11 @@ return array(
     'Show help' => '显示帮助',
     'Close help' => '关闭帮助',
     // '%d second ago' => '',
-    // '%d seconds ago' => '',
     // '%d minute ago' => '',
-    // '%d minutes ago' => '',
     // '%d hour ago' => '',
-    // '%d hours ago' => '',
     // '%d day ago' => '',
-    // '%d days ago' => '',
     // '%d week ago' => '',
-    // '%d weeks ago' => '',
     // '%d month ago' => '',
-    // '%d months ago' => '',
     // 'Timezone' => '',
     // 'Update all subscriptions' => '',
     // 'Auto-Update URL' => '',
diff --git a/models/config.php b/models/config.php
index 002c4d6..357e82e 100644
--- a/models/config.php
+++ b/models/config.php
@@ -142,9 +142,9 @@ function get_autoflush_read_options()
         '0' => t('Never'),
         '-1' => t('Immediately'),
         '1' => t('After %d day', 1),
-        '5' => t('After %d days', 5),
-        '15' => t('After %d days', 15),
-        '30' => t('After %d days', 30)
+        '5' => t('After %d day', 5),
+        '15' => t('After %d day', 15),
+        '30' => t('After %d day', 30)
     );
 }
 
@@ -153,10 +153,10 @@ function get_autoflush_unread_options()
 {
     return array(
         '0' => t('Never'),
-        '15' => t('After %d days', 15),
-        '30' => t('After %d days', 30),
-        '45' => t('After %d days', 45),
-        '60' => t('After %d days', 60),
+        '15' => t('After %d day', 15),
+        '30' => t('After %d day', 30),
+        '45' => t('After %d day', 45),
+        '60' => t('After %d day', 60),
     );
 }
 
diff --git a/scripts/sync-locales.php b/scripts/sync-locales.php
index 2ed2df3..87ea804 100755
--- a/scripts/sync-locales.php
+++ b/scripts/sync-locales.php
@@ -10,17 +10,32 @@ function update_missing_locales(array $reference, $outdated_file)
 {
     $outdated = include $outdated_file;
 
-    $output = '<?php'.PHP_EOL.PHP_EOL;
-    $output .= 'return array('.PHP_EOL;
+    $output = "<?php\n\n";
+    $output .= "return array(\n";
 
-    foreach ($reference as $key => $value) {
+    foreach (array_keys($reference) as $key) {
+        $outputKey = str_replace("'", "\'", $key);
+        $outputValue = "    // '".$outputKey."' => ''";
 
         if (isset($outdated[$key])) {
-            $output .= "    '".str_replace("'", "\'", $key)."' => '".str_replace("'", "\'", $outdated[$key])."',\n";
-        }
-        else {
-            $output .= "    // '".str_replace("'", "\'", $key)."' => '',\n";
+            if ($key === 'plural') {
+                $outputValue = $outputKey."' => ".getFunctionCode($outdated[$key]);
+            }
+            elseif (is_array($outdated[$key])) {
+                foreach($outdated[$key] as &$value) {
+                    $value = str_replace("'", "\'", $value);
+                }
+
+                $outputValue = $outputKey."' => array('".join("', '", $outdated[$key])."')";
+            }
+            else {
+                $outputValue = $outputKey."' => '".str_replace("'", "\'", $outdated[$key])."'";
+            }
+
+            $outputValue = "    '".$outputValue;
         }
+
+        $output .= $outputValue.",\n";
     }
 
     $output .= ");\n";
@@ -30,7 +45,7 @@ function update_missing_locales(array $reference, $outdated_file)
 
 foreach (new DirectoryIterator('locales') as $fileInfo) {
 
-    if (! $fileInfo->isDot() && $fileInfo->isDir() && $fileInfo->getFilename() !== $reference_lang) {
+    if (! $fileInfo->isDot() && $fileInfo->isDir() && $fileInfo->getFilename() !== $reference_lang && $fileInfo->getFilename() !== 'en_US') {
 
         $filename = 'locales/'.$fileInfo->getFilename().'/translations.php';
 
@@ -39,3 +54,23 @@ foreach (new DirectoryIterator('locales') as $fileInfo) {
         file_put_contents($filename, update_missing_locales($reference, $filename));
     }
 }
+
+function getFunctionCode($name)
+{
+    $reflector = new ReflectionFunction($name);
+
+    $file = new SplFileObject($reflector->getFileName());
+    $file->seek($reflector->getStartLine()-1);
+
+    $sourcecode = '';
+    while ($file->key() < $reflector->getEndLine())
+    {
+        $sourcecode .= $file->current();
+        $file->next();
+    }
+
+    $begin = strpos($sourcecode, 'function');
+    $end = strrpos($sourcecode, '}');
+
+    return substr($sourcecode, $begin, $end - $begin + 1);
+}
\ No newline at end of file