nine o'clock
Kurt came running up at this moment , calling so loudly that nothing else could possibly be heard : `` Mother , I forgot to give you a message . Bruno is not coming home for supper . The Rector is climbing High Ems with him and the two other boys . They will only be home at nine o'clock . '' The mother looked a little frightened . `` Are the two others his comrades , the Knippel boys ? '' Kurt assented .