Date , time formula

[subrosumon]

Hi Experts,
Sorry for wastage you valuable time for my critical issues! as a HR staff, i need to calculate actual staying time if he intermittent input in my organization
for example

Name of Organization	Period
ABC Company	from 3 October 2010 to 25 January 2014
XYZ Company	from 28 January 2014 to 12 December 2015
ABC Company	from 13 December 2015 to 18 September December 2019

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Needto calculation

1. How many years, months and days he is working all company (total Experience)?
2. How many years, months and days he is working of ABC company?

if it is formula it s better or me

Tanks in advance

 

[subrosumon]

Thanks Sir, the result is showing 2061, I need actual year, month and date of his experience,

need your kind help sir.