August 13, 2021. Difficulty rose by +7.31% to 15.56T from 14.50T.
Change
+7.31%
New difficulty
15.56T
Period length
13.1 days
Network hashrate then (7-day)
113.1 EH/s
Bitcoin price then
$45,973
Hashprice then
$382/PH/day
The 2,016 blocks before it took 13.1 days instead of 14, so the network had more hashrate than the difficulty assumed, and difficulty rose by 7.31%: a large adjustment. For every machine on the network that is a pay cut of the same size until the next retarget.