eleven o'clock
General Lacy , he said , was two days ' march behind him , and that gave us two days more . Men have done marvels in two days . We breathed freer . It was by that time near eleven o'clock . The sun takes long to sink in those far northern regions , and it was yet twilight . We dared not resume our work until it grew darker ; there were about four good hours of darkness between sun and sun . While we were still standing on the terrace we saw a commotion on the mainland , and heard the trampling of many horses ' hoofs , as a body of cavalry appeared on the undulating plain ; and there was a darker and more slowly moving mass of foot soldiers behind them .