Date Calculator
Calculate the exact number of days, weeks, months, and years between any two dates. Perfect for planning events and tracking time.
Select two dates to calculate the difference
Free Date Calculator – Calculate Days Between Any Two Dates
Our free date calculator helps you instantly find the exact number of days, weeks, months, and years between any two dates. Whether you're planning a vacation, tracking a project deadline, counting down to a special event, or calculating a due date, this tool provides accurate results in seconds.
Unlike basic calculators, our date difference calculator shows you the time gap in multiple formats – total days, weeks, months, years, and even hours. Perfect for project managers, students, travelers, and anyone who needs to calculate time between dates.
How to Calculate Days Between Two Dates
- Enter Start Date: Click the first date field and select or type your starting date
- Enter End Date: Select your ending date in the second field
- View Results: Instantly see the difference in days, weeks, months, and years
- Copy Result: Click the copy button to save the calculation
Common Uses for Date Calculations
- Project Planning: Calculate working days for deadlines and milestones
- Vacation Countdowns: How many days until your trip?
- Pregnancy Due Dates: Track weeks between conception and due date
- Event Planning: Days until weddings, birthdays, anniversaries
- Contract Periods: Calculate duration of agreements and leases
- Academic Planning: Days until exams, graduation, or semester end
Understanding Date Calculations
Our calculator uses precise date arithmetic that accounts for varying month lengths (28, 29, 30, or 31 days) and leap years. This ensures accurate results whether you're calculating across February in a leap year or spanning multiple years.
Years divisible by 4 have 366 days (Feb 29)
30 or 31 days per month, except February
Frequently Asked Questions
How many days are between two dates?
Enter your start and end dates above to instantly calculate the exact number of days. The calculator shows total days, weeks, months, and years.
How do I calculate the difference between two dates?
Simply enter both dates in our calculator. It automatically subtracts the earlier date from the later one and displays the difference in multiple time units.
How many days until Christmas?
Set today as your start date and December 25 as your end date. The calculator will show exactly how many days remain until Christmas.
Does the calculator account for leap years?
Yes! Our date calculator automatically accounts for leap years, varying month lengths, and all calendar complexities to give you accurate results.
Can I calculate dates in the past?
Absolutely! Calculate how many days since any past event – your birthday, graduation, wedding anniversary, or any memorable date.