March 18, 2018. Difficulty rose by +5.23% to 3.46T from 3.29T.
Change
+5.23%
New difficulty
3.46T
Period length
13.3 days
Network hashrate then (7-day)
24.9 EH/s
Bitcoin price then
$8,451
Hashprice then
$651/PH/day
The 2,016 blocks before it took 13.3 days instead of 14, so the network had more hashrate than the difficulty assumed, and difficulty rose by 5.23%: a large adjustment. For every machine on the network that is a pay cut of the same size until the next retarget.