April 21, 2020. Difficulty rose by +8.45% to 15.96T from 14.72T.
Change
+8.45%
New difficulty
15.96T
Period length
12.9 days
Network hashrate then (7-day)
113.7 EH/s
Bitcoin price then
$7,195
Hashprice then
$115/PH/day
The 2,016 blocks before it took 12.9 days instead of 14, so the network had more hashrate than the difficulty assumed, and difficulty rose by 8.45%: a large adjustment. For every machine on the network that is a pay cut of the same size until the next retarget.