Days Between Dates Calculator
Count the days between two dates and see them as weeks, months, years, hours and weekdays.
Total days
How many days between two dates?
Find out how many days are left until a holiday, exam or wedding, how long a project took or how much time passed between two events by entering a start and end date.
Detailed results
- Total days (optionally including the end date)
- Breakdown into weeks and days
- Duration in calendar years, months and days
- Weekday and weekend day counts
Use cases
Rental and contract periods, leave days, probation periods, pregnancy tracking, age calculation and deadlines. For working days, use the Business Days Calculator.
How to use Days Between Dates Calculator
- Choose the start date.
- Choose the end date.
- Decide whether to include the end date.
- Review the days, weeks, months and years.
Why use this tool?
Gives the correct answer and a detailed breakdown instantly instead of counting on a calendar.
FAQ
Should I include the end date?
Include it if both days count; an event from the 1st to the 3rd lasts 3 days. Leave it out for the pure difference (2 days).
Are leap years taken into account?
Yes, years with 29 February are calculated correctly.
Can I calculate my age in days?
Yes, enter your birth date as the start and today as the end.
Related tools
Date Calculator (Add or Subtract Days)
Add or subtract days, weeks, months and years to a date and see the result and weekday.
Open toolBusiness Days Calculator
Count working days between two dates or add working days to a date, skipping weekends and your holidays.
Open toolWeek Number Calculator
Find the ISO 8601 week number of any date, or the start and end dates of a given week.
Open toolTime Zone Converter
Convert a date and time between two time zones; UTC offsets and daylight saving time are handled automatically.
Open tool