December 19, 2019. Difficulty rose by +0.56% to 12.95T from 12.88T.
Change
+0.56%
New difficulty
12.95T
Period length
13.9 days
Network hashrate then (7-day)
90.8 EH/s
Bitcoin price then
$7,035
Hashprice then
$138/PH/day
The 2,016 blocks before it took 13.9 days instead of 14, so the network had more hashrate than the difficulty assumed, and difficulty rose by 0.56%: a small correction. For every machine on the network that is a pay cut of the same size until the next retarget.