I am looking for an excel formula to calculating the number of days from years between

**"Start date" & "end date"**

__Example :__My start date is

**06/19/2020**

My end date is

**06/20/2023**

I would to know on this example the number of days from year 2020

**year 2021 (full year) ; year 2022 (full year) ; 2023**

*=> from start date ;*

*=> from end date*in my databse i have different start date and end date by line

Thanks for your help