June 5, 2018. Difficulty rose by +14.71% to 4.94T from 4.31T.
Change
+14.71%
New difficulty
4.94T
Period length
12.2 days
Network hashrate then (7-day)
35.0 EH/s
Bitcoin price then
$7,495
Hashprice then
$371/PH/day
The 2,016 blocks before it took 12.2 days instead of 14, so the network had more hashrate than the difficulty assumed, and difficulty rose by 14.71%: one of the largest adjustments on record. For every machine on the network that is a pay cut of the same size until the next retarget.