OP solved it, closing.

What I do wrong?
Passed: 107 Failed: 6
'4 years, 104 days, 3 hours and 4 minutes' should equal '4 years, 68 days, 3 hours and 4 minutes'
'6 years, 246 days, 13 hours, 3 minutes and 54 seconds' should equal '6 years, 192 days, 13 hours, 3 minutes and 54 seconds'
'8 years, 84 days, 13 hours, 41 minutes and 1 second' should equal '8 years, 12 days, 13 hours, 41 minutes and 1 second'
'7 years, 309 days, 15 hours, 32 minutes and 54 seconds' should equal '7 years, 246 days, 15 hours, 32 minutes and 54 seconds'
'3 years, 112 days, 1 hour, 9 minutes and 26 seconds' should equal '3 years, 85 days, 1 hour, 9 minutes and 26 seconds'
'1 year, 28 days, 18 hours, 19 minutes and 46 seconds' should equal '1 year, 19 days, 18 hours, 19 minutes and 46 seconds'

The regions are wrong.