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 passed31 year 2 month 16 days 18 hours 12 minutes 13 seconds
Unix timestamp523440000
Seconds985397053
Minutes16423284.22
Hours273721.4
Days11405.06
Weeks1629.29
Months374.55
Years31.21
Decades3.12