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app/Http/Helpers/TimeZoneHelper.php

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+<?php 
+
+use GeoIp2\Database\Reader;
+
+function getCountryTimeZone($userSelectedCountry)
+{
+    // Path to the GeoIP2 database file
+    $databasePath = storage_path('app/GeoLite2-Country.mmdb'); // Replace with the path to your downloaded database file
+
+    // Initialize the GeoIP2 reader
+    $reader = new Reader($databasePath);
+
+    try {
+        // Look up the country for the user's selected IP address or country code
+        $record = $reader->country($userSelectedCountry);
+
+        // Get the time zone from the country data
+        $timeZone = $record->location->timeZone;
+
+        return $timeZone;
+    } catch (\Exception $e) {
+        // Handle exceptions if the country code or IP address is not found
+        return 'UTC'; // Default to UTC if not found
+    }
+}