📆 Date & Time
Date Difference Calculator
Find the exact number of days, weeks, months, and years between any two dates.
How the Date Difference Calculator works
Enter a start and end date to get the precise difference. The calculator accounts for leap years and varying month lengths. Use Include start date to count the first day in the total (useful for event durations). Use Exclude weekends to count only Monday–Friday working days — ideal for project and deadline planning.
Frequently Asked Questions
People also ask — answers optimized for search engines and voice queries.
How do I calculate the number of days between two dates?
Enter the start date and end date in the Date Difference Calculator. It instantly shows the exact number of days, weeks, months, and years between the two dates.
Does the date difference calculator include the start date?
By default the calculator excludes the start date. Enable "Include start date" to count the first day as well — useful when calculating event durations.
How many days until a specific date?
Set today as the start date and your target date as the end date. The result shows exactly how many days remain until that date.
How many weeks between two dates?
The calculator automatically converts total days into complete weeks, giving you an exact week count between any two dates.
Can I calculate the number of working days between two dates?
Yes — enable the "Exclude weekends" option to count only Monday–Friday working days between the two dates.
Is this date difference calculator free?
Yes — completely free with no sign-up required on Potential Daily.