Viertel elf
... German for a quarter past ten (time of the day) (externer Link)
In German "viertel elf" and "viertel vor elf" must not be confused. The first version means: a quarter on the way from ten to eleven o'clock, which is either 10.15 or 22.15. The latter means: a quarter still before us on the way from ten to eleven o'clock, which can either mean 10.45 or 22.45.