about twelve o'clock
`` When did your mother quit ? '' he asked , after they had left the town behind . `` Sunday night . You see , we had a big rush all day , and on top of that , about twelve o'clock , an alarm of fire next door . So she got no sleep . Monday morning she did n't get up , Tuesday she dressed but was too miserable to work , so finally I just packed her off to the ranch . '' `` That was right -- only you should have sent for me . ''