The service will allow you to know how many seconds, minutes, hours, days, weeks, months and years have passed from the date.

Enter the date  Time zone or Full information on the date
Have passed30 years 4 month 1 day 8 hours 42 minutes 54 second
Unix timestamp523440000
Seconds957758094
Minutes15962634.9
Hours266043.92
Days11085.16
Weeks1583.59
Months364.04
Years30.34
Decades3.03