four o'clock
protested Mollie . `` What time is it at two o'clock ? '' `` Four bells , '' answered Betty , promptly . `` Why , I thought four bells was four o'clock , '' spoke Grace . `` No , eight bells is four o'clock in the after-noon , and also four o'clock in the morning . Then it starts over again with one bell , which would be half-past four ; two bells , five ; three hells , half-past five , and -- '' `` Oh , stop ! stop !