On Monday, in Jefferson City:

Meeting Notice
Office of the Missouri Governor
Electoral College of Missouri
Date: Monday, December 19, 2016
Time Begin: 2:00 PM
Venue: Senate Lounge
Missouri State Capitol
201 West Capitol Avenue
Jefferson City, MO 65101
[….]

The Electors will cast their votes for President.

As near as we can tell there are going to be separate (but probably merged) silent protest groups on the sidewalks of the Capitol starting at 8:00 a.m. and going until 2:00 p.m.