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 5 months 10 days 7 hours 18 minutes 1 second
Unix timestamp523440000
Seconds992732041
Minutes16545534.02
Hours275758.9
Days11489.95
Weeks1641.42
Months377.34
Years31.44
Decades3.14