diff --git a/composer.json b/composer.json
index 9f8a2f7fb..a2b375768 100644
--- a/composer.json
+++ b/composer.json
@@ -21,8 +21,9 @@
     ],
     "require": {
         "php": "^8.1",
-        "nesbot/carbon": "^2.72.1",
-        "ext-calendar": "*"
+        "ext-calendar": "*",
+        "geniusts/hijri-dates": "^1.1",
+        "nesbot/carbon": "^2.72.1"
     },
     "require-dev": {
         "laravel/pint": "^1.0",
diff --git a/lang/bahrain/ar/bahrain.json b/lang/bahrain/ar/holidays.json
similarity index 70%
rename from lang/bahrain/ar/bahrain.json
rename to lang/bahrain/ar/holidays.json
index 595443359..82e518018 100644
--- a/lang/bahrain/ar/bahrain.json
+++ b/lang/bahrain/ar/holidays.json
@@ -1,13 +1,13 @@
 {
     "New Year Day": "رأس السنة الميلادية",
-    "Eid al Fitr Holiday 1": "عيد الفطر",
-    "Eid al Fitr Holiday 2": "أجازة عيد الفطر",
-    "Eid al Fitr Holiday 3": "أجازة عيد الفطر",
+    "Eid al-Fitr Holiday 1": "عيد الفطر",
+    "Eid al-Fitr Holiday 2": "أجازة عيد الفطر",
+    "Eid al-Fitr Holiday 3": "أجازة عيد الفطر",
     "Labour Day": "عيد العمال",
     "Eid al Adha Holiday 1": "عيد الأضحى",
     "Eid al Adha Holiday 2": "أجازة عيد الأضحى",
     "Eid al Adha Holiday 3": "أجازة عيد الأضحى",
-    "Islamic New Year": "رأس السنة الهجرية",
+    "Islamic new year": "رأس السنة الهجرية",
     "Ashura Holiday 1": "عاشوراء",
     "Ashura Holiday 2": "أجازة عاشوراء",
     "Prophet Muhammads Birthday": "المولد النبوي الشريف",
diff --git a/src/Countries/Bahrain.php b/src/Countries/Bahrain.php
index a9d659c83..ceeab512b 100644
--- a/src/Countries/Bahrain.php
+++ b/src/Countries/Bahrain.php
@@ -3,6 +3,7 @@
 namespace Spatie\Holidays\Countries;
 
 use Carbon\CarbonImmutable;
+use GeniusTS\HijriDate\Hijri;
 
 class Bahrain extends Country
 {
@@ -14,26 +15,47 @@ public function countryCode(): string
     protected function allHolidays(int $year): array
     {
         return array_merge([
-            'New Year Day' => '01-01',
-            'Eid al Fitr Holiday 1' => '04-10',
-            'Eid al Fitr Holiday 2' => '04-11',
-            'Eid al Fitr Holiday 3' => '04-12',
+            'New Year Day' => CarbonImmutable::createFromDate($year, 1, 1),
             'Labour Day' => '05-01',
-            'Eid al Adha Holiday 1' => '06-16',
-            'Eid al Adha Holiday 2' => '06-17',
-            'Eid al Adha Holiday 3' => '06-18',
-            'Islamic New Year' => '07-07',
-            'Ashura Holiday 1' => '07-16',
-            'Ashura Holiday 2' => '07-17',
-            'Prophet Muhammads Birthday' => '07-15',
-            'National Day' => '12-16',
-            'National Day Holiday' => '12-17',
+            'Ashura Holiday 1' => CarbonImmutable::createFromDate($year, 7, 16),
+            'Ashura Holiday 2' => CarbonImmutable::createFromDate($year, 7, 17),
+            'National Day' => CarbonImmutable::createFromDate($year, 12, 16),
+            'National Day Holiday' => CarbonImmutable::createFromDate($year, 12, 17),
         ], $this->variableHolidays($year));
     }
 
     /** @return array<string, CarbonImmutable> */
     protected function variableHolidays(int $year): array
     {
-        return [];
+        return [
+            'Islamic new year' => $this->getHijriDateAsGregorian(1, 1, $year + 1),
+            'Prophet Muhammads Birthday' =>  $this->getHijriDateAsGregorian(12, 3, $year + 1),
+            'Eid al-Fitr Holiday 1' =>  $this->getHijriDateAsGregorian(1, 10, $year, 1),
+            'Eid al-Fitr Holiday 2' =>  $this->getHijriDateAsGregorian(2, 10, $year, 1),
+            'Eid al-Fitr Holiday 3' =>  $this->getHijriDateAsGregorian(3, 10, $year, 1),
+            'Eid al Adha Holiday 1' =>  $this->getHijriDateAsGregorian(10, 12, $year, 1),
+            'Eid al Adha Holiday 2' =>  $this->getHijriDateAsGregorian(11, 12, $year, 1),
+            'Eid al Adha Holiday 3' =>  $this->getHijriDateAsGregorian(12, 12, $year, 1),
+        ];
+    }
+
+    /**
+     * Convert Hijri dates to Gregorian
+     * @param int $hijriDay
+     * @param int $hijriMonth
+     * @param int $hijriYear
+     * @param int $adjustmentDays
+     * @return CarbonImmutable
+     */
+    protected function getHijriDateAsGregorian(
+        int $hijriDay,
+        int $hijriMonth,
+        int $hijriYear,
+        int $adjustmentDays = 0
+    ): CarbonImmutable {
+        $gregorianNewYear = CarbonImmutable::create($hijriYear, 1, 1);
+        $hijriNewYear = Hijri::convertToHijri($gregorianNewYear);
+        $gregorianDate = Hijri::convertToGregorian($hijriDay, $hijriMonth, $hijriNewYear->year);
+        return CarbonImmutable::instance($gregorianDate)->addDays($adjustmentDays);
     }
 }
diff --git a/tests/.pest/snapshots/Countries/BahrainTest/it_can_calculate_bahrain_holidays.snap b/tests/.pest/snapshots/Countries/BahrainTest/it_can_calculate_bahrain_holidays.snap
index 6df6377cb..9cdc0229c 100644
--- a/tests/.pest/snapshots/Countries/BahrainTest/it_can_calculate_bahrain_holidays.snap
+++ b/tests/.pest/snapshots/Countries/BahrainTest/it_can_calculate_bahrain_holidays.snap
@@ -4,15 +4,15 @@
         "date": "2024-01-01"
     },
     {
-        "name": "Eid al Fitr Holiday 1",
+        "name": "Eid al-Fitr Holiday 1",
         "date": "2024-04-10"
     },
     {
-        "name": "Eid al Fitr Holiday 2",
+        "name": "Eid al-Fitr Holiday 2",
         "date": "2024-04-11"
     },
     {
-        "name": "Eid al Fitr Holiday 3",
+        "name": "Eid al-Fitr Holiday 3",
         "date": "2024-04-12"
     },
     {
@@ -21,24 +21,20 @@
     },
     {
         "name": "Eid al Adha Holiday 1",
-        "date": "2024-06-16"
+        "date": "2024-06-17"
     },
     {
         "name": "Eid al Adha Holiday 2",
-        "date": "2024-06-17"
+        "date": "2024-06-18"
     },
     {
         "name": "Eid al Adha Holiday 3",
-        "date": "2024-06-18"
+        "date": "2024-06-19"
     },
     {
-        "name": "Islamic New Year",
+        "name": "Islamic new year",
         "date": "2024-07-07"
     },
-    {
-        "name": "Prophet Muhammads Birthday",
-        "date": "2024-07-15"
-    },
     {
         "name": "Ashura Holiday 1",
         "date": "2024-07-16"
@@ -47,6 +43,10 @@
         "name": "Ashura Holiday 2",
         "date": "2024-07-17"
     },
+    {
+        "name": "Prophet Muhammads Birthday",
+        "date": "2024-09-15"
+    },
     {
         "name": "National Day",
         "date": "2024-12-16"