A remote pilot in command plans a small unmanned aircraft system operation to begin 20 minutes before the published beginning of morning civil twilight. In order to legally conduct this operation, the remote pilot in command must

According to the following excerpt from the Chart Supplement at the location of the proposed sUAS operation (all times local), what is the latest time the operation may commence without anti-collision lighting that is visible for at least 3 statute miles? Sunrise..................0612 Sunset...................1805 Civil twi begin..........0540 Civil twi end............1827