8:00 PM Beijing Time, August 19th: Handling administrative affairs at the White House; 11:00 PM Beijing Time, August 19th: Participating in a policy meeting in the Oval Office; 12:30 AM Beijing Time, August 20th: Participating in a policy meeting in the Oval Office; 2:30 AM Beijing Time, August 20th: Speaking with technology industry leaders in Roosevelt Room; 4:00 AM Beijing Time, August 20th: Participating in a policy meeting in the Oval Office.