six o'clock
I did so with alacrity . _ Zing-g-g-g-g ! _ went the alarm-clock , which Holmes had placed on the chair beside our bed . Jumping up to turn it off , I saw with vexation that it was only six o'clock . `` What in thunder did you set it so early for , Holmes ? '' I demanded . `` They do n't blow any early factory-whistle around here . ''