Whole years, whole months, remaining days
From 15 March 2020 to 14 September 2026: 6 whole years, 5 whole months, and 30 remaining days — equivalent to 2,374 total days, or 77 total months.
Why the breakdown isn't just total days divided up
Months have different lengths, so "5 months and 30 days" isn't simply the remainder of a division — it's found by counting whole calendar years first, then whole calendar months from that point, then whatever days are left over, respecting each month's actual length along the way.
The same month-end-clamping convention as the Age Calculator
This calculator reuses the exact same calendar-diff logic as the Age Calculator, just with generic "start date" and "end date" labels instead of "birth date" — including the convention that adding a month to 31 January lands on 28 or 29 February rather than overflowing into March.
Two different day counts, and why they agree
This calculator's total-days figure and the plain Days Between Dates Calculator's count will always agree for the same two dates when the end date is excluded from the count — both are measuring the exact same underlying calendar gap, just presenting it two different ways, as the companion article on the two calculators shows directly.