eight o'clock
`` Very well , '' he acquiesced . `` Tell him that you saw me , and that I promised to go tonight . Act quietly ; say that you have been upset , but that you will give him an answer tomorrow . Then at eight o'clock -- it will be dark early tonight -- walk out to the wharf . That is all . But it must be done without any hesitation ; you must be even cheerful , kinder to him . '' He was thinking : She must be out of the way when I meet Nicholas .