Calculate the exact number of days, weeks, months and years between any two dates — free day counter and date calculator
Click any card to instantly calculate — these are the most commonly searched date differences:
Our days between dates calculator is a free online day counter that instantly finds the exact time between any two dates. Whether you need to calculate the date difference for a project deadline, count working days for payroll, or find how many days are between two calendar dates — this tool does it all in seconds.
This is also known as a date difference calculator, day counter, time between dates calculator, or simply a date calculator between two dates. All give the same result — the number of days separating two dates.
The calculator supports any date from year 1 to year 9999. You can optionally include the end date in the count and filter to show only working days (Monday–Friday, excluding weekends).
To calculate the number of days between two dates manually, subtract the earlier date from the later date. Each day is 86,400 seconds, so the formula is:
Our calculator handles all of this automatically. It also accounts for leap years, different month lengths, and optionally filters out weekends to show only working days.
Use our free calculator above. Enter your start date and end date then click Calculate. The tool instantly shows exact days, weeks, months, working days and weekends between the two dates. No maths needed.
April has 30 days, so from April 1 to May 1 is exactly 30 days. From April 1 to May 31 is 60 days. From April 1 to May 24 is 53 days. Use the calculator above to find the exact days between any specific April and May dates.
A date difference calculator (also called a day counter or time between dates calculator) finds the exact number of days, weeks, months or years between two dates. Enter a start date and end date and the calculator computes the duration instantly.
Tick the "Working days only" checkbox above before clicking Calculate. Our calculator shows the number of Monday-to-Friday working days between any two dates, automatically excluding Saturdays and Sundays.
By default, the calculator counts days not including the end date (standard date difference). Tick the "Include end date" checkbox to count the end date as well, which adds 1 day to the result.
Use our free day counter above — select your start date and end date, then click Calculate. The result shows instantly. You can also use the Quick Presets section for common date ranges like "April to May" or "January to December".
The time between dates is the duration separating one date from another. Our calculator shows this in days, weeks, months and years simultaneously. Enter any two dates above to find the exact time between them.
A regular year has 365 days. A leap year (every 4 years, e.g. 2024, 2028) has 366 days. Our calculator automatically accounts for leap years when calculating the difference between two dates.