Examples from the Web for sunup
If there's a man shows up at Carleton's later than an hour after sunup, we'll run him out of the country.The Eyes of the World|Harold Bell Wright
With my husband at work from sunup until dark, it's often lonely here.
"I think I'll start off at sunup and drive over to see how Langton's getting on," he said.
They levied on Swamp Holler at sunup; they was on every road along the State line.Special Messenger|Robert W. Chambers
He used to tell me that the slaves worked from sunup till sundown.Slave Narratives: A Folk History of Slavery in the United States|Work Projects Administration