What is Date Difference Calculator?
A date difference calculator computes the exact duration between two dates in years, months, days, weeks, total days, total hours, and working days. It handles leap years and varying month lengths automatically for precise results.
How to Calculate the Difference Between Two Dates
Find the exact number of days, weeks, months, and years between any two dates using our free date difference calculator.
- Enter the start date: Select or type the first date using the date picker.
- Enter the end date: Select or type the second date. The end date can be before or after the start date.
- View the complete breakdown: See the difference in years, months, days, total weeks, total days, total hours, and working days.
Frequently Asked Questions
How do I calculate the number of days between two dates?
Enter both dates into the date difference calculator and it instantly shows the total number of days, weeks, months, and years between them. The result is always accurate, accounting for leap years.
Can I calculate months between two dates?
Yes, our calculator shows the difference in multiple units including total months, years and months combined, total weeks, total days, total hours, and total working days.
How many days are between January 1 and December 31?
There are 364 days between January 1 and December 31 in a regular year, and 365 days in a leap year. Our calculator handles this automatically.
Does the date difference include the start date?
By default, the calculator counts the days between the two dates, not including the start date. For example, January 1 to January 2 = 1 day.
Can I calculate how many working days between two dates?
Yes, our date difference calculator shows working days (business days) that exclude Saturdays and Sundays. For more advanced workday calculations, use the Workdays Calculator.
How do I find how many days since a past date?
Enter the past date as the start date and today as the end date. The calculator shows the total elapsed days, weeks, months, and years.
Can I calculate the difference in hours between two dates?
Yes, the calculator shows the total number of hours between the two dates alongside days, weeks, and months.