Did a little bit of backwards math earlier to get the times.
Times
First time is Pacific, then Mountain, Central, and finally, Eastern
12/11 @ 5 pm (6 pm M/ 7 pm C/ 8 pm E)
12/12 @ 9 pm (10 pm M/ 11 pm C/ 12 am E)
12/14 @ 1 am (2 am M/ 3 am C/ 4 am E)
12/15 @ 5 am (6 am M/ 7 am C/ 9 am E)
12/16 @ 9 am (10 am M/ 11 am C/ 12 pm E)
12/17 @ 1 pm (2 pm M/ 3 pm C/ 4 pm E)
12/18 @ 5 pm (6 pm M/ 7 pm C/ 8 pm E)
12/19 @ 9 pm (10 pm M/ 11 pm C/ 12 am E)
12/21 @ 1 am (2 am M/ 3 am C/ 4 am E)
12/22 @ 5 am (6 am M/ 7 am C/ 9 am E)
12/23 @ 9 am (10 am M/ 11 am C/ 12 pm E)
12/24 @ 1 pm (2 pm M/ 3 pm C/ 4 pm E)
12/25 @ 5 pm (6 pm M/ 7 pm C/ 8 pm E)
12/26 @ 9 pm (10 pm M/ 11 pm C/ 12 am E)
12/28 @ 1 am (2 am M/ 3 am C/ 4 am E)
12/29 @ 5 am (6 am M/ 7 am C/ 9 am E)
12/30 @ 9 am (10 am M/ 11 am C/ 12 pm E)
12/31 @ 1 pm (2 pm M/ 3 pm C/ 4 pm E)