Examples:

• We know where the rockets were launched from and at what time.
• And do you remember at what time you left the party?
• Do you know at what time arrives the plane?
• Yeah, but at what time of night exactly?
• Tell me Charlie, at what time did we return home?
• Not in what part, Sherman, but at what time.
• Do you know at what time the casino opens?
• So you left your house and walked down there at what time?/li>