Negative numbers! It's done!
Seconds: -96083019.8555
Minutes: -1601383.66426
Hours: -26689.7277377
Days: -1112.07198907
Weeks: -158.86742701
Fortnights: -79.4337135049
Years: -3.04468717062
Decades: -0.304468717062
Centuries: -0.0304468717062
Millennia: -0.00304468717062