German Unity Day (03 October) is a national holiday. Many institutions and most shops (and of course the university!) are closed.

Reformation Day on 31 October is a public holiday in Lower Saxony. Please note that all shops, with the exception of some petrol stations and kiosks, and all institutions, including the university, [...]

Christmas holidays are: 24 December (Christmas Eve), 25 December, 26 December  Please note that all shops, with the exception of some petrol stations and kiosks, and all institutions, including the [...]

First of January, New Year's Day, is a public holiday in Germany, shops and institutions are closed.

Good Friday is a national holiday in Germany, shops and institutions are closed.

Easter Monday is a national holiday in Germany, shops and institutions are closed.

Labor Day: National holiday in Germany, shops and institutions are closed.