What you provide
What you provide
- Start and end dates
- Whether your use case wants elapsed time or both dates counted
DATE / ELAPSED OR INCLUSIVE
Date Difference Calculator
Compare two dates as calendar years, months, and days, with an explicit choice between elapsed days and counting both dates.
- 01 Calculated in this tab
- 02 Values stay in this browser tab
- 03 Use boundary
Use boundary
Calculation path
Calendar difference uses real month lengths. Total days uses calendar boundaries, then adds one only when you deliberately choose inclusive counting.
Calculation path
Calendar difference uses complete years, months, and days. Total days uses UTC calendar boundaries, with one added only for inclusive counting.
What you receive
What you receive
- Calendar years, months, and days
- Exact day count under the selected method
- Whole weeks and remaining days
Use boundary
Choose the maximum decimal places shown. This does not increase source accuracy.
Business-day, holiday, deadline, timezone, and contractual counting rules are not applied. The dates are treated as plain calendar dates.