Time Passage Counter Device

I need a stand-alone unit with a power source and display that shows the passage of time from three entered dates: 1 Birth Date, 2 Wedding Date, and 3 Passed Date.

Requirements

- Enter all three dates once and view them together. - Display elapsed time rom each date in years, months, days, hours, minutes, and seconds. Ideal Skills and Experience: - Experience in developing hardware with display capabilities. - Proficiency in programming for time display and user input. - Ability to create a user-friendly interface for easy date entry and viewing. I was looking to commemorate time passage from selected entered date Date Description Entered date Current Date Time Elapsed Time ( Years ,Months, Days, Hours, Minutes, Seconds) Number of Years, number of months, number of days, hours minutes, seconds, Her Birth Date 04-17-1953 till current date gives her age since birth select then see Number of Years, number of months, number of days, hours minutes, seconds, Our Wedding Date 12-22-1996 till current date gives time since marriage select then see Number of Years, number of months, number of days, hours minutes, seconds, Since (date desc) ##-##-#### till current date gives time since (date desc) select then see Number of Years, number of months, number of days, hours minutes, seconds,