*/ namespace Yasumi\Provider\Germany; use Yasumi\Exception\UnknownLocaleException; use Yasumi\Provider\Germany; /** * Provider for all holidays in Lower Saxony (Germany). * * Lower Saxony (German: Niedersachsen) is a German state (Bundesland) situated in northwestern Germany and is second * in area, with 47,624 square kilometres (18,388 sq mi), and fourth in population (8 million) among the sixteen Länder * of Germany. In rural areas Northern Low Saxon, a dialect of Low German, and Saterland Frisian, a variety of Frisian, * are still spoken, but the number of speakers is declining. * * @see https://en.wikipedia.org/wiki/Lower_Saxony */ class LowerSaxony extends Germany { /** * Code to identify this Holiday Provider. Typically, this is the ISO3166 code corresponding to the respective * country or sub-region. */ public const ID = 'DE-NI'; /** * Initialize holidays for Lower Saxony (Germany). * * @throws \InvalidArgumentException * @throws UnknownLocaleException * @throws \Exception */ public function initialize(): void { parent::initialize(); // Add custom Christian holidays $this->calculateReformationDay(); } /** * For the German state of Lower Saxony, Reformation Day is celebrated since 2018. * Note: In 2017 all German states will celebrate Reformation Day for its 500th anniversary. * * @see https://www.zeit.de/gesellschaft/zeitgeschehen/2018-06/reformationstag-niedersachsen-neuer-feiertag * * @throws \InvalidArgumentException * @throws UnknownLocaleException * @throws \Exception */ private function calculateReformationDay(): void { if ($this->year < 2018) { return; } $this->addHoliday($this->reformationDay($this->year, $this->timezone, $this->locale)); } }