Date Difference Calculator
Days, weeks and years-months-days between two dates.
Inputs
1–12
1–31
1–12
1–31
Results
- Days
- 292 days
- Weeks
- 41.71 weeks
- Years, months, days
- 0 y 9 m 19 d
- Including both dates
- 293 days
Formula
Days = end − start (calendar days, UTC)
Y-M-D borrows days from the month before the end date
Assumptions & limits
- End date is not counted unless you use 'Including both dates'.
- Order does not matter; the result is always positive.
Worked example
15 Jan → 3 Nov 2026 = 292 days = 9 months 19 days.