function findTimezoneByCountry($country)
{
    try {
        $default = 'UTC';

        if (!in_array($country, array_column((new ISO3166())->getAll(), 'alpha2'))) {
            return $default;
        }

        $timezone = \DateTimeZone::listIdentifiers(\DateTimeZone::PER_COUNTRY, $country);

        if (false === $timezone) {
            return $default;
        }

        return $timezone[0];


    } catch (\DomainException $e) {
        return $default;
    }
}