Date Calculator
Use the date calculator to count days between two dates or to add and subtract years, months, weeks, and days from a starting date. It is useful for deadlines, schedules, billing periods, and countdowns.
Days Between Dates
Count calendar days between two dates.
Result
0 days
0 years, 0 months, 0 days
Result
Today
Date adjustment result
Popular Date Calculations
- Days between two dates, with an option to include the last day.
- Add weeks or days to today for planning future deadlines.
- Subtract time from a date to find a starting point.
Date Calculator FAQ
How do I count days between dates?
Enter the start and end dates, then calculate. Use the include-last-day option when the final calendar day should count.
Can I add months to a date?
Yes. The calculator can add or subtract months and adjusts for shorter months where needed.