Date Difference Calculator
Find the exact time between two dates. Enter a start date and an end date to see the difference in years, months and days, together with the total number of days and weeks.
From January 10, 2024 to April 15, 2026 is 826 days.
- Total days
- 826
- Total weeks
- 118
- Total months
- 27
Calculated in your browser using calendar dates, so time zones and daylight saving time don’t affect the result.
How the Difference Between Two Dates Is Calculated
The calculator counts forward from the start date: first the whole years, then the whole months, then the remaining days. This mirrors how people describe durations, such as “2 years, 3 months and 5 days”.
Because months have different lengths, the same number of days can be a different number of months depending on the dates. That is why the total in days is shown as well.
- 1January 10, 2024 → January 10, 2026 = 2 years
- 2January 10 → April 10, 2026 = 3 months
- 3April 10 → April 15, 2026 = 5 days
Therefore: The difference is 2 years, 3 months and 5 days (826 days).
Does the Order of the Dates Matter?
No. If the end date is earlier than the start date, the calculator swaps them and tells you it has done so. The difference is always shown as a positive duration.
When Is a Date Difference Calculator Useful?
- Length of employment
- Relationship anniversaries
- Lease and tenancy periods
- Project timelines
- Contract and warranty periods
- Time since or until a trip
Frequently Asked Questions
Count the whole years from the start date, then the whole months, then the remaining days. The calculator does this and also shows the total number of days.
It counts the days from the start date up to the end date, so January 1 to January 2 is 1 day. Use Days Between Dates if you want the option to count both dates.
Yes. The calculation uses the real calendar, including February 29 in leap years.
This tool expresses the gap in years, months and days. Days Between Dates focuses on the total number of days and weekdays.