>>4657239The chart is only up to March 2021
Pekora had
133,824,650 minutes in April, 2,230,411 in hours
207,821,990 minutes in May, 3,463,700 in hours
total of 5,694,111 hours
Overall: 33,723,175 hours
Kuzuha had
130,338,000 minutes in April, 2,172,300 in hours
151,740,720 minutes in May, 2,529,012 in hours
total of 4,701,312 hours
Overall: 30,662,749 hours
Difference: 3,060,426 hours.
source: giken