Date Difference Calculator
Enter start and end dates.
Difference
543 days
- Weeks
- 77
- Months
- 17
- Years
- 1.49
How it works
We compute the time delta and present it in multiple units.
Formula
Diff = |end − start|
Worked example
Jan 1 → Jul 1, 2025 = 181 days.
FAQ
- Inclusive of last day?
- We show days between dates (exclusive).
- Past dates?
- Yes, any two dates.
- Partial months?
- Months use a 30.44-day average.