Christmas Day on 25 December is a nationwide German public holiday and the calm centre of the Christmas block. In practice, it belongs with Christmas Eve, Boxing Day, school breaks and family visits.
The date rarely stands alone. Christmas Eve sets up the rhythm, and Boxing Day extends the visit and travel block.
Nationwide public holiday on 25 December. The legal baseline is clear; the practical answer still depends on weekday, neighbouring workdays, school dates and local opening hours.
Do not read 25 December alone. Meals, services, rotas, Boxing Day and return travel toward New Year decide the practical plan. That check should happen before booking travel, moving meetings or assuming that school and work calendars line up.