(Translated by Google) Hello Linda, as far as I know have all Christmas open. But I would reserve because otherwise you have hardly a chance to get a seat there. (Original) Hallo Linda, soweit ich weiß haben alle Weihnachten offen. Ich Würde aber reservieren da man sonst kaum eine Chance hat dort einen Platz zubekommen.

(Translated by Google) It's not closed on Sundays (Original) No los domingos está cerrado