《梁书·本纪·卷一》
日落到其夜宿处，半夜不回，拂晓早朝时，待至清晨。
日入之次，夜分未反，昧爽之朝，期之清旦。
Sunset indicated the time to return to his lodgings, but at midnight he still had not returned, and it was not until dawn that he returned to the morning court.