die Sommerpause — the summer break. The Bundestag holds no sessions, as a rule in July and August.
das Sommerloch — the summer hole. The quiet season in the news while politics is on holiday.
die Winterpause — the winter break of the Bundesliga.
zwischen den Jahren — between the years. The days between Christmas and New Year.
der Ruhetag — the rest day. A restaurant sign reads Montag Ruhetag, closed on Mondays.