Calculate the exact number of days, weeks, months, and years between any two dates. Perfect for planning events, tracking projects, or simply satisfying your curiosity.
Follow these simple steps to calculate the difference between two dates
Select or enter the starting date from which you want to calculate the difference.
Select or enter the ending date to which you want to calculate the difference.
Click the "Calculate Difference" button to get instant results showing the time difference in years, months, days, and weeks.
Our calculator provides accurate and detailed results with these key features
Get immediate calculations with no delays. Our tool processes dates instantly for quick results.
View results in years, months, days, and weeks for comprehensive understanding of time spans.
All calculations happen locally in your browser. We never store or transmit your data.
Use our calculator on any device - desktop, tablet, or mobile - with a perfect experience.
Our date difference calculator is 100% free to use with no hidden costs or premium tiers.
Our algorithm accounts for leap years and varying month lengths for precise results.
Find answers to common questions about our date difference calculator
Our date difference calculator is highly accurate and accounts for leap years, different month lengths, and time zone considerations. It calculates the exact number of days between two dates, then converts this to years, months, and weeks for a comprehensive understanding of the time span.
Yes, our calculator works with any combination of dates - past to past, past to future, or future to future. Simply enter your start and end dates, and the calculator will determine the time difference regardless of their positions on the timeline.
Absolutely! Our algorithm correctly handles leap years, ensuring that calculations spanning February 29th in leap years are accurate. This is particularly important for precise year and month calculations.
Our calculator can handle virtually any date range that falls within the limits of the JavaScript Date object, which typically covers dates from year 100 to 275,000. For practical purposes, this means you can calculate differences between any reasonable dates you're likely to encounter.
Our current calculator provides the total calendar days between two dates. For business day calculations that exclude weekends and holidays, we recommend using our specialized business day calculator, which will be available soon.
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