Notice periods, loan terms, project deadlines and travel plans all depend on the time between two dates. Counting on a calendar works for a few days but is slow for a few months.
Try it now: Date Difference Calculator
Free, no sign up, and the file stays on your device.
Open Date Difference CalculatorWhat you get
- The difference as years, months and days.
- The total number of days, and weeks plus days.
- Whether the end date is before or after the start.
How to use it
- Open Date Difference Calculator.
- Pick the start date and the end date.
- Read the difference.
- To find a future date, type a number of days in the second box. Use a minus number to go back.
Common uses
- Counting the days of a notice period or visa stay.
- Finding the date 90 days after an invoice.
- Working out how long until an exam or an event.
- Checking how long you have worked somewhere.
Inclusive or exclusive
The calculator counts the days between the dates, so 1 January to 2 January is 1 day. If your rule counts both the first and the last day, add one.
Frequently asked questions
Does it count weekends?
Yes. It counts every calendar day. It does not skip weekends or holidays.
Why does the month count look odd sometimes?
Months have different lengths. The tool counts whole months first, then the remaining days.
Is my data stored?
No.
Ready to start?
Open Date Difference Calculator