Date Difference Calculator
Days, weeks, months and years between two dates.
How to use the date difference calculator
- Pick a start and end date.
- Choose whether to include the end date.
- See the difference in several units.
Frequently asked questions
Should I include the end date?
Include it when counting days of an event (e.g. a 1–3 May trip is 3 days). Exclude it for durations (1 May to 3 May is 2 days).