Date Difference Calculator

How to Calculate Days Between Dates

Our date difference calculator helps you find the exact time span between any two dates. Simply select a start date and end date, and the tool instantly calculates the difference in multiple formats: total days, weeks, months, and years. You can also choose to exclude weekends, which is useful for calculating business days or workdays.

This calculator is perfect for various scenarios: calculating project durations, tracking how long you've been at a job, finding the number of days until an important event, or determining age in days. The tool accounts for leap years, varying month lengths, and different calendar complexities to provide accurate results every time.

When you exclude weekends, the calculator also shows the number of workdays and weekend days separately, making it ideal for project planning, leave calculations, or billing purposes. Whether you're planning an event, tracking milestones, calculating contract durations, or simply curious about time spans, this tool provides comprehensive date calculations with a user-friendly interface that makes complex date math effortless.