Days Between Two Dates Calculator
Calculate the exact number of days, weeks, months, and business working days between any two dates.
From 2026-11-01 to 2026-12-01
Equivalent to 4 weeks and 2 days (4.3 weeks total).
How the Days Between Dates Calculator Works
Whether you are calculating the duration of a vacation, tracking a pregnancy milestone, estimating project delivery timelines, or checking interest accrual periods for financial contracts, knowing the precise elapsed time between two dates is essential.
Our calculator computes the chronological difference according to the Gregorian calendar, automatically handling leap years (such as February having 29 days). The Include End Date option allows you to choose between boundary counting (exclusive) or full span counting (inclusive).