Use this tool to calculate the difference between two dates and times. Receive the result in years, months, weeks, days, hours and minutes or in a combination of them.
Just select and choose year, month, date and time (hours and minute), then click calculate. You may click "get todays date and time" button to get todays date and right now's time.
Selecting: "Show result only in the selected unit." will give you only the result of the selected units.
You can receive a result to a selected preciseness and get it either in the way that humans usually use like "1 year, 2 months and 5 weeks" or entirely calculated in the selected unit - for example 11,067 hours. Play with it and you'll get a better idea.