diff --git a/README.md b/README.md
index 63f7636..0e702b3 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,6 @@
+# Maintainers needed
+Sorry, I have not much time supporting this repo. Also I rarely work with Laravel now, so new maintainers are needed.
+
 # Localized Carbon
 
 for **L4** use **1.4** branch   
@@ -58,6 +61,7 @@ Current version of Localized Carbon ships with these localizations:
 + Arabic (ar) (no genitive)
 + Japanese (ja) (full)
 + Bengali (bn) (full)
++ Persian (fa) (full)
 
 
 But it is extendable, so you may write and use your own localization without altering the contents of the package. See [extending Localized Carbon](#extending).
@@ -76,8 +80,8 @@ Next, add package's Service Provider to `app/config/app.php` in `providers` sect
 After that you may want to add some Aliases (`aliases` section of the same config):
 
 ```
-'LocalizedCarbon'   => 'Laravelrus\LocalizedCarbon\LocalizedCarbon',
-'DiffFormatter'     => 'Laravelrus\LocalizedCarbon\DiffFactoryFacade',
+'LocalizedCarbon' => Laravelrus\LocalizedCarbon\LocalizedCarbon::class,
+'DiffFormatter'   => Laravelrus\LocalizedCarbon\DiffFactoryFacade::class,
 ```
 
 Note that `DiffFormatter` will only be used for extending default localizations. See [extending Localized Carbon](#extending).
diff --git a/composer.json b/composer.json
index 570fbdc..55fe5e9 100644
--- a/composer.json
+++ b/composer.json
@@ -11,7 +11,8 @@
     ],
     "require": {
         "php": ">=5.3.0",
-        "illuminate/support": ">=4.1.0"
+        "illuminate/support": ">=5.4.0",
+        "nesbot/carbon": "^1.24"
     },
     "autoload": {
         "psr-0": {
diff --git a/src/Laravelrus/LocalizedCarbon/DiffFormatters/AfDiffFormatter.php b/src/Laravelrus/LocalizedCarbon/DiffFormatters/AfDiffFormatter.php
new file mode 100644
index 0000000..81aa3b6
--- /dev/null
+++ b/src/Laravelrus/LocalizedCarbon/DiffFormatters/AfDiffFormatter.php
@@ -0,0 +1,18 @@
+<?php namespace Laravelrus\LocalizedCarbon\DiffFormatters;
+
+class AfDiffFormatter implements DiffFormatterInterface {
+
+    public function format($isNow, $isFuture, $delta, $unit) {
+        $txt = $delta . ' ' . $unit;
+        $txt .= $delta == 1 ? '' : 's';
+        
+        if ($isNow) {
+            $txt .= ($isFuture) ? ' van nou af' : ' terug';
+            return $txt;
+        }
+        
+        $txt .= ($isFuture) ? ' na' : ' voor';
+        return $txt;
+    }
+    
+}
diff --git a/src/Laravelrus/LocalizedCarbon/DiffFormatters/FaDiffFotmatter.php b/src/Laravelrus/LocalizedCarbon/DiffFormatters/FaDiffFotmatter.php
new file mode 100644
index 0000000..ea6a7c0
--- /dev/null
+++ b/src/Laravelrus/LocalizedCarbon/DiffFormatters/FaDiffFotmatter.php
@@ -0,0 +1,13 @@
+<?php
+namespace Laravelrus\LocalizedCarbon\DiffFormatters;
+class FaDiffFormatter implements DiffFormatterInterface {
+    public function format($isNow, $isFuture, $delta, $unit) {
+        $txt = $delta . ' ' . $unit;
+        if ($isNow) {
+            $txt .= ($isFuture) ? ' از حالا' : ' گذشته';
+            return $txt;
+        }
+        $txt .= ($isFuture) ? ' بعد' : ' قبل';
+        return $txt;
+    }
+}
diff --git a/src/Laravelrus/LocalizedCarbon/DiffFormatters/ItDiffFormatter.php b/src/Laravelrus/LocalizedCarbon/DiffFormatters/ItDiffFormatter.php
new file mode 100644
index 0000000..bf207af
--- /dev/null
+++ b/src/Laravelrus/LocalizedCarbon/DiffFormatters/ItDiffFormatter.php
@@ -0,0 +1,31 @@
+<?php namespace Laravelrus\LocalizedCarbon\DiffFormatters;
+class ItDiffFormatter implements DiffFormatterInterface {
+    public function format($isNow, $isFuture, $delta, $unit) {
+        $unitStr = \Lang::choice("localized-carbon::units." . $unit, $delta, array(), 'it');
+        if($delta == 1){
+            switch($unit){
+                case 'hour': 
+                    $delta = 'Un\'';
+                    break;
+                case 'week':
+                    $delta = 'Una';
+                    break;
+                default:
+                    $delta = 'Un';
+                    break;
+            }
+        }
+        $txt = $delta . ' ' . $unitStr;
+        if ($isNow) {
+          if($isFuture){
+            $pre= 'Tra ';
+            return $pre . strtolower($txt);
+          }
+          else{
+            $suffix= ' fa';
+            return $txt . $suffix;
+          }
+        }
+        return $txt .= ($isFuture) ? ' dopo' : ' prima';
+    }
+}
diff --git a/src/Laravelrus/LocalizedCarbon/DiffFormatters/RoDiffFormatter.php b/src/Laravelrus/LocalizedCarbon/DiffFormatters/RoDiffFormatter.php
new file mode 100644
index 0000000..0935e09
--- /dev/null
+++ b/src/Laravelrus/LocalizedCarbon/DiffFormatters/RoDiffFormatter.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace Laravelrus\LocalizedCarbon\DiffFormatters;
+
+
+class RoDiffFormatter implements DiffFormatterInterface {
+
+    public function format($isNow, $isFuture, $delta, $unit) {
+        $unitStr = \Lang::choice("localized-carbon::units." . $unit, $delta, array(), 'ro');
+
+        if ($isNow) {
+            $pre = $isFuture ? 'peste ' : 'acum ';
+            $suffix = '';
+
+            switch ($unit) {
+                case 'second': $deltaInWords = 'o'; break;
+                case 'minute': $deltaInWords = 'un'; break;
+                case 'hour': $deltaInWords = 'o'; break;
+                case 'day': $deltaInWords = 'o'; break;
+                case 'week': $deltaInWords = 'o'; break;
+                case 'month': $deltaInWords = 'o';  break;
+                case 'year': $deltaInWords = 'un'; break;
+            }
+
+            if($delta == 1) {
+                $delta = $deltaInWords;
+                $suffix = '';
+            }
+
+            return $pre . $delta . ' ' . $unitStr . $suffix;
+        } else {
+            $post = ($isFuture) ? ' înainte' : ' după'; 
+
+            if($delta == 1) {
+                switch ($unit) {
+                    case 'second': $delta = 'o'; break;
+                    case 'minute': $delta = 'un'; break;
+                    case 'hour': $delta = 'o'; break;
+                    case 'day': $delta = 'o'; break;
+                    case 'week': $delta = 'o'; break;
+                    case 'month': $delta = 'o'; break;
+                    case 'year': $delta = 'un'; break;
+                }
+            }
+
+            return $delta . ' ' . $unitStr . $post;
+        }
+    }
+}
diff --git a/src/Laravelrus/LocalizedCarbon/DiffFormatters/SvDiffFormatter.php b/src/Laravelrus/LocalizedCarbon/DiffFormatters/SvDiffFormatter.php
new file mode 100644
index 0000000..90fab15
--- /dev/null
+++ b/src/Laravelrus/LocalizedCarbon/DiffFormatters/SvDiffFormatter.php
@@ -0,0 +1,16 @@
+<?php namespace Laravelrus\LocalizedCarbon\DiffFormatters;
+
+
+class SvDiffFormatter implements DiffFormatterInterface {
+
+        public function format($isNow, $isFuture, $delta, $unit) {
+            $txt = \Lang::choice("localized-carbon::units." . $unit, $delta, array(), 'sv');
+            $txt = $delta.' '.$txt;
+            if ($isNow) {
+                $txt .= ($isFuture) ? ' från nu' : ' sedan';
+                return 'för '.$txt;
+            }
+            $txt .= ($isFuture) ? ' efter' : ' före';
+            return 'om '.$txt;
+        }
+}
\ No newline at end of file
diff --git a/src/Laravelrus/LocalizedCarbon/LocalizedCarbon.php b/src/Laravelrus/LocalizedCarbon/LocalizedCarbon.php
index 6eff013..f240f93 100644
--- a/src/Laravelrus/LocalizedCarbon/LocalizedCarbon.php
+++ b/src/Laravelrus/LocalizedCarbon/LocalizedCarbon.php
@@ -11,7 +11,7 @@ public static function determineLanguage() {
         return \App::getLocale();
     }
 
-    public function diffForHumans(Carbon $other = null, $formatter = null) {
+    public function diffForHumans($other = null, $formatter = null, $short = false, $parts = 1) {
         if ($formatter === null) {
             $language = self::determineLanguage();
             $formatter = DiffFactoryFacade::get($language);
diff --git a/src/lang/af/months.php b/src/lang/af/months.php
new file mode 100644
index 0000000..ede9597
--- /dev/null
+++ b/src/lang/af/months.php
@@ -0,0 +1,15 @@
+<?php
+return array(
+    "januarie" => "Januarie",
+    "februarie" => "Februarie",
+    "maart" => "Maart",
+    "april" => "April",
+    "mei" => "Mei",
+    "junie" => "Junie",
+    "julie" => "Julie",
+    "augustus" => "Augustus",
+    "september" => "September",
+    "oktober" => "Oktober",
+    "november" => "November",
+    "december" => "December",
+);
diff --git a/src/lang/af/units.php b/src/lang/af/units.php
new file mode 100644
index 0000000..39b8278
--- /dev/null
+++ b/src/lang/af/units.php
@@ -0,0 +1,10 @@
+<?php
+return array(
+    "second"    => "sekonde|sekondes",
+    "minute"    => "minuut|minute",
+    "hour"      => "uur|ure",
+    "day"       => "dag|dae",
+    "week"      => "week|weke",
+    "month"     => "maand|maande",
+    "year"      => "jaar|jare",
+);
diff --git a/src/lang/ar/months.php b/src/lang/ar/months.php
new file mode 100644
index 0000000..b43e80f
--- /dev/null
+++ b/src/lang/ar/months.php
@@ -0,0 +1,16 @@
+<?php
+// Created by : Abdellah Chadidi => https://github.com/chadidi
+return array(
+    "january" => "يناير",
+    "february" => "فبراير",
+    "march" => "مارس",
+    "april" => "أبريل",
+    "may" => "مايو",
+    "june" => "يونيو",
+    "july" => "يوليو",
+    "august" => "أغسطس",
+    "september" => "سبتمبر",
+    "october" => "أكتوبر",
+    "november" => "نوفمبر",
+    "december" => "ديسمبر",
+);
diff --git a/src/lang/ar/units.php b/src/lang/ar/units.php
index 07febf6..9dc51be 100644
--- a/src/lang/ar/units.php
+++ b/src/lang/ar/units.php
@@ -1,11 +1,11 @@
 <?php
-
+// Created by : Abdellah Chadidi => https://github.com/chadidi
 return array(
-    "second"    => "ثانية",
-    "minute"    => "[0,10] دقائق|[11,Inf] دقيقة",
-    "hour"      => "[0,10] ساعات|[11,Inf] ساعة",
-    "day"       => "[0,10] أيام|[11,Inf] يوما",
-    "week"      => "[0,10] أسابيع|[11,Inf] أسبوعا",
-    "month"     => "[0,10] أشهر|[11,Inf] شهرا",
-    "year"      => "[0,10] سنوات|[11,Inf] سنة",
+    "second"    => "[0,1] ثَانِيَة|{2} ثَانِيَتَيْن|[3,10]:count ثَوَان|[11,Inf]:count ثَانِيَة",
+    "minute"    => "[0,1] دَقِيقَة|{2} دَقِيقَتَيْن|[3,10]:count دَقَائِق|[11,Inf]:count دَقِيقَة",
+    "hour"      => "[0,1] سَاعَة|{2} سَاعَتَيْن|[3,10]:count سَاعَات|[11,Inf]:count سَاعَة",
+    "day"       => "[0,1] يَوْم|{2} يَوْمَيْن|[3,10]:count أَيَّام|[11,Inf] يَوْم",
+    "week"      => "[0,1] أُسْبُوع|{2} أُسْبُوعَيْن|[3,10]:count أَسَابِيع|[11,Inf]:count أُسْبُوع",
+    "month"     => "[0,1] شَهْرَ|{2} شَهْرَيْن|[3,10]:count أَشْهُر|[11,Inf]:count شَهْرَ",
+    "year"      => "[0,1] سَنَة|{2} سَنَتَيْن|[3,10]:count سَنَوَات|[11,Inf]:count سَنَة",
 );
diff --git a/src/lang/bg/months.php b/src/lang/bg/months.php
new file mode 100644
index 0000000..2463a0a
--- /dev/null
+++ b/src/lang/bg/months.php
@@ -0,0 +1,16 @@
+<?php
+
+return array(
+    "january" => "Януари",
+    "february" => "Февруари",
+    "march" => "Март",
+    "april" => "Април",
+    "may" => "Май",
+    "june" => "Юни",
+    "july" => "Юли",
+    "august" => "Август",
+    "september" => "Септември",
+    "october" => "Октомври",
+    "november" => "Ноември",
+    "december" => "Декември",
+);
diff --git a/src/lang/fa/months.php b/src/lang/fa/months.php
new file mode 100644
index 0000000..715bb59
--- /dev/null
+++ b/src/lang/fa/months.php
@@ -0,0 +1,15 @@
+<?php
+return array(
+    "january" => "ژانویه",
+    "february" => "فوریه",
+    "march" => "مارچ",
+    "april" => "آپریل",
+    "may" => "می",
+    "june" => "جون",
+    "july" => "جولای",
+    "august" => "آگوست",
+    "september" => "سپتامبر",
+    "october" => "اکتبر",
+    "november" => "نوامبر",
+    "december" => "دسامبر",
+);
diff --git a/src/lang/fa/units.php b/src/lang/fa/units.php
new file mode 100644
index 0000000..1f2c332
--- /dev/null
+++ b/src/lang/fa/units.php
@@ -0,0 +1,10 @@
+<?php
+return array(
+    "second"    => "ثانیه",
+    "minute"    => "دقیقه",
+    "hour"      => "ساعت",
+    "day"       => "روز",
+    "week"      => "هفته",
+    "month"     => "ماه",
+    "year"      => "سال",
+);
diff --git a/src/lang/fr/months.php b/src/lang/fr/months.php
new file mode 100644
index 0000000..4b3feae
--- /dev/null
+++ b/src/lang/fr/months.php
@@ -0,0 +1,16 @@
+<?php
+return array(
+    'january' => 'Janvier',
+    'february' => 'Février',
+    'march' => 'Mars',
+    'april' => 'Avril',
+    'may' => 'Mai',
+    'june' => 'Juin',
+    'july' => 'Juillet',
+    'august' => 'Août',
+    'september' => 'Septembre',
+    'october' => 'Octobre',
+    'november' => 'Novembre',
+    'december' => 'Décembre'
+);
+?>
diff --git a/src/lang/it/months.php b/src/lang/it/months.php
new file mode 100644
index 0000000..04a5a37
--- /dev/null
+++ b/src/lang/it/months.php
@@ -0,0 +1,15 @@
+<?php
+return array(
+    "january" => "Gennaio",
+    "february" => "Febbraio",
+    "march" => "Marzo",
+    "april" => "Aprile",
+    "may" => "Maggio",
+    "june" => "Giugno",
+    "july" => "Luglio",
+    "august" => "Agosto",
+    "september" => "Settembre",
+    "october" => "Ottobre",
+    "november" => "Novembre",
+    "december" => "Dicembre",
+);
diff --git a/src/lang/it/units.php b/src/lang/it/units.php
new file mode 100644
index 0000000..17ce0f8
--- /dev/null
+++ b/src/lang/it/units.php
@@ -0,0 +1,10 @@
+<?php
+return array(
+    "second"    => "secondo|secondi",
+    "minute"    => "minuto|minuti",
+    "hour"      => "ora|ore",
+    "day"       => "giorno|giorni",
+    "week"      => "settimana|settimane",
+    "month"     => "mese|mesi",
+    "year"      => "anno|anni",
+);
diff --git a/src/lang/nl/months.php b/src/lang/nl/months.php
new file mode 100644
index 0000000..a688ada
--- /dev/null
+++ b/src/lang/nl/months.php
@@ -0,0 +1,16 @@
+<?php
+
+return array(
+    "january" => "januari",
+    "february" => "februari",
+    "march" => "maart",
+    "april" => "april",
+    "may" => "mei",
+    "june" => "juni",
+    "july" => "juli",
+    "august" => "augustus",
+    "september" => "september",
+    "october" => "oktober",
+    "november" => "november",
+    "december" => "december",
+);
diff --git a/src/lang/ro/months.php b/src/lang/ro/months.php
new file mode 100644
index 0000000..e080b7b
--- /dev/null
+++ b/src/lang/ro/months.php
@@ -0,0 +1,16 @@
+<?php
+
+return array(
+    "january"   => "Ianuarie",
+    "february"  => "Februarie",
+    "march"     => "Martie",
+    "april"     => "Aprilie",
+    "may"       => "Mai",
+    "june"      => "Iunie",
+    "july"      => "Iulie",
+    "august"    => "August",
+    "september" => "Septembrie",
+    "october"   => "Octombrie",
+    "november"  => "Noiembrie",
+    "december"  => "Decembrie",
+);
diff --git a/src/lang/ro/units.php b/src/lang/ro/units.php
new file mode 100644
index 0000000..1c101fe
--- /dev/null
+++ b/src/lang/ro/units.php
@@ -0,0 +1,11 @@
+<?php
+
+return array(
+    "second"    => "secundă|secunde|secunde",
+    "minute"    => "minut|minute|minute",
+    "hour"      => "oră|ore|ore",
+    "day"       => "zi|zile|zile",
+    "week"      => "săptămână|săptămâni|săptămâni",
+    "month"     => "lună|luni|luni",
+    "year"      => "an|ani|ani",
+);
diff --git a/src/lang/sv/months.php b/src/lang/sv/months.php
new file mode 100755
index 0000000..ffba4af
--- /dev/null
+++ b/src/lang/sv/months.php
@@ -0,0 +1,16 @@
+<?php
+
+return array(
+    "january" => "Januari",
+    "february" => "Februari",
+    "march" => "Mars",
+    "april" => "April",
+    "may" => "Maj",
+    "june" => "Juni",
+    "july" => "Juli",
+    "august" => "Augusti",
+    "september" => "September",
+    "october" => "Oktober",
+    "november" => "November",
+    "december" => "December",
+);
diff --git a/src/lang/sv/units.php b/src/lang/sv/units.php
new file mode 100755
index 0000000..c3cc431
--- /dev/null
+++ b/src/lang/sv/units.php
@@ -0,0 +1,11 @@
+<?php
+
+return array(
+    "second"    => "sekund|sekunder",
+    "minute"    => "minut|minuter",
+    "hour"      => "timme|timmar",
+    "day"       => "dag|dagar",
+    "week"      => "vecka|veckor",
+    "month"     => "månad|månader",
+    "year"      => "år",
+);
diff --git a/tests/RoLocalizedCarbonTest.php b/tests/RoLocalizedCarbonTest.php
new file mode 100644
index 0000000..88eb13f
--- /dev/null
+++ b/tests/RoLocalizedCarbonTest.php
@@ -0,0 +1,61 @@
+<?php
+
+namespace Tests\Unit;
+
+use LocalizedCarbon;
+use Tests\TestCase;
+use Carbon\Carbon;
+
+class RoLocalizedCarbonTest extends TestCase
+{
+
+    public function test_ro_diffs()
+    {
+
+        $oneSecondAgo = Carbon::now()->subSecond(1);
+        $this->assertEquals('acum o secundă', LocalizedCarbon::instance($oneSecondAgo)->diffForHumans());
+
+        $inOneSecond = Carbon::now()->addSecond(1);
+        $this->assertEquals('peste o secundă', LocalizedCarbon::instance($inOneSecond)->diffForHumans());
+
+        $fiveSeconsAgo = Carbon::now()->subSecond(5);
+        $this->assertEquals('acum 5 secunde', LocalizedCarbon::instance($fiveSeconsAgo)->diffForHumans());
+
+        $inFiveSeconds = Carbon::now()->addSecond(5);
+        $this->assertEquals('peste 5 secunde', LocalizedCarbon::instance($inFiveSeconds)->diffForHumans());
+
+        $moreSeconsAgo = Carbon::now()->subSecond(59);
+        $this->assertEquals('acum 59 secunde', LocalizedCarbon::instance($moreSeconsAgo)->diffForHumans());
+
+        $inMoreSeconds = Carbon::now()->addSecond(59);
+        $this->assertEquals('peste 59 secunde', LocalizedCarbon::instance($inMoreSeconds)->diffForHumans());
+
+        $oneMinuteAgo = Carbon::now()->subMinute(1);
+        $this->assertEquals('acum un minut', LocalizedCarbon::instance($oneMinuteAgo)->diffForHumans());
+
+        $inOneMinute = Carbon::now()->addMinute(1);
+        $this->assertEquals('peste un minut', LocalizedCarbon::instance($inOneMinute)->diffForHumans());
+
+        $fiveMinutesAgo = Carbon::now()->subMinute(5);
+        $this->assertEquals('acum 5 minute', LocalizedCarbon::instance($fiveMinutesAgo)->diffForHumans());
+
+        $twentyfourMinutesAgo = Carbon::now()->subMinute(24);
+        $this->assertEquals('acum 24 minute', LocalizedCarbon::instance($twentyfourMinutesAgo)->diffForHumans());
+
+        $inTwentyfourMinutes = Carbon::now()->addMinute(24);
+        $this->assertEquals('peste 24 minute', LocalizedCarbon::instance($inTwentyfourMinutes)->diffForHumans());
+
+        $oneYearAgo = Carbon::now()->subMonth(13);
+        $this->assertEquals('acum un an', LocalizedCarbon::instance($oneYearAgo)->diffForHumans());
+        $twoYearsAgo = Carbon::now()->subMonth(25);
+        $this->assertEquals('acum 2 ani', LocalizedCarbon::instance($twoYearsAgo)->diffForHumans());
+
+        $fourWeeksAgo = Carbon::now()->subDays(32);
+        $this->assertEquals('acum 4 săptămâni', LocalizedCarbon::instance($fourWeeksAgo)->diffForHumans());
+
+        $oneMonthAgo = Carbon::now()->subWeek(7);
+        $this->assertEquals('acum o lună', LocalizedCarbon::instance($oneMonthAgo)->diffForHumans());
+    }
+
+
+}