Date Calculator – Days Between Two Dates
Find the number of days between any two dates. Enter a start date and end date to see the duration in days.
Date Calculator
Days Between
364
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How to use this calculator
- Enter the start year, month, and day.
- Enter the end year, month, and day.
- See the number of days between the two dates.
How it works
The Date Calculator counts the exact number of days between two dates. Useful for project planning, deadline tracking, age calculations, vacation planning, or counting down to an event.
How the calculation works
The calculator converts both dates to their numeric representation and finds the absolute difference in days. It accounts for leap years and different month lengths automatically.
Step-by-step
1. Enter the start year, month, and day. 2. Enter the end year, month, and day. 3. See the number of days between the two dates.
Practical examples
- January 1 to December 31 of the same year = 364 days (365 in a leap year). - March 1, 2025 to June 15, 2025 = 106 days.
The result counts the days between the two dates (exclusive of start, inclusive of end). Add 1 if you want to include both dates.
Yes. The calculator automatically accounts for leap years when counting days.
Yes. The result is always positive regardless of which date comes first.
Copy the code below to embed this calculator on your site.
<iframe src="https://smartcalculators.tools/embed/date-calculator" title="Date Calculator" width="100%" height="400" frameborder="0"></iframe>