Hard fork guess: 12/31/16 6:43 PM
hard fork, 12/30/16 8:07 PM
Hard fork, 12/30/16 2:22 PM Chain has been speeding up

Hard fork: 12/30/16 9:50 AM
Hard fork getting closer - guess: 12/29/16 6:10 PM
Hard fork, 12/29/16 9:43 PM
Hard fork, 12/30/16 1:48 AM
That's weird. Chain was speeding up, now slowing down.