Calculate exact days between two dates. Add or subtract days from any date. Working days calculator.
📖 Read our detailed guide: Date Difference Calculator — everything you need to know
Read Guide →The calculator computes the exact difference between two dates in years, months, days, weeks, and total days. It accounts for varying month lengths (28 to 31 days) and leap years to give precise results.
Yes. The calculator correctly handles leap years when computing the total number of days between two dates. February in a leap year has 29 days, and this is factored into all calculations automatically.
Common uses include calculating notice periods for job resignations, finding duration between two events, computing loan or FD tenure in days, determining pregnancy weeks, calculating age for legal documents, and tracking project timelines.
The calculator shows total calendar days. To estimate business days, multiply the number of weeks by 5 and add remaining weekdays. For exact business day counts, exclude weekends and public holidays manually.
When the end date day is smaller than the start date day, the calculator borrows days from the previous month. For example, the difference between January 31 and March 2 is 1 month and 2 days, correctly accounting for February shorter length.