The eastern sky was just going pink when they set out.
The sun was up, though still low in the eastern sky.
But the eastern sky behind her was no longer clear.
The sun was still in the eastern sky, but high.
The sun was well out of the north, rising into the eastern sky.
"Perhaps you should turn your eyes to the eastern sky."
The eastern sky was unlike anything I ever saw before.
The air car had already disappeared into the eastern sky.
More than one looked up at the eastern sky where the first stars were beginning to appear.
The light was beginning to change, in the eastern sky.