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📅 Date Difference Calculator
Count the days, weeks, months, and years between any two dates.
Pick two dates
Future difference
1y 0d
365 total days
Weeks
52.1
Hours
8,760
Minutes
525,600
Weekdays / Weekends
261
~104 weekend days
How This Tool Works
This tool calculates the exact number of days, weeks, months, and years between any two dates. It accounts for varying month lengths and leap years, giving you precise results whether you are counting down to a wedding, calculating the duration of a contract, determining the age of an asset, or figuring out how many days until a deadline. The calculation handles both past and future dates and works with any date range.
💡 Tips & Best Practices
- 1Need business days only? A rough estimate is total days × 5/7, minus holidays.
- 2Useful for calculating project timelines, lease durations, and interest accrual periods.
- 3Remember: some months have 28, 29, 30, or 31 days — this tool handles all of them correctly.
Frequently Asked Questions
Does this account for leap years?
Yes. The calculator correctly handles leap years (every 4 years, except centuries not divisible by 400), ensuring February 29 is counted when applicable.
How are months calculated when dates span different month lengths?
The calculator uses calendar months. For example, January 31 to February 28 counts as 1 month, even though February is shorter. This matches how banks and contracts typically calculate monthly periods.
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