The intercultural calendar of the Federal Office for Migration and Refugees shows the variety of holidays and memorial days of different religions and cultures that live together in Germany. Therefore, in addition to the most important holidays from Christianity, Judaism, Islam, Hinduism, the Sikhs and Yazidis, the Intercultural Calendar also includes legal and other observances of various cultural traditions www.bamf.de/SharedDocs/Anlagen/DE/Downloads/Infothek/Sonstige/interkultureller-kalender-2018. For high holidays of other religions there are in some states the possibility to let children from the school lesson.
In Thüringen, the school exemption for religious holidays is granted. You should apply for leave of absence for religious holidays at the head of the school in good time (§ 7 Thüringer school regulations).