Two o’clock
He called . Ogareff , motionless near the window , and invisible in the shade did not answer . The Grand Duke was therefore informed that the Czar 's courier was not at that moment in the palace . Two o'clock struck . Now was the time to cause the diversion agreed upon with the Tartars , waiting for the assault . Ivan Ogareff opened the window and stationed himself at the North angle of the side terrace . Below him flowed the roaring waters of the Angara .