eleven
o'clock
`` Very strong , Abdul ! '' '' _ Aiwah _ , Effendi , very strong . '' In the Valley where the Pharaohs sleep , below the smiling hills , the heat and the power of the sun were becoming an actual danger . The best working hours were those which began at dawn and terminated at eleven o'clock . In the early summer , for Egypt knows no spring , as it knows no twilight , the heat compels even the natives to abandon work during the hottest hours of the day . The sun is at its most dangerous point in the sky at three o'clock in the afternoon ; at that hour , as the season advances , little exposed work can be done . One particularly hot afternoon Margaret was waiting for her brother to come to tea .