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 9 months 16 days 3 hours 5 minutes 50 seconds
Unix timestamp523440000
Seconds1003758830
Minutes16729313.83
Hours278821.9
Days11617.58
Weeks1659.65
Months381.53
Years31.79
Decades3.18