Date Difference Calculator in Years, Months, Days
Calculate the difference between two dates in calendar units.
Date Difference Calculator
Compute the difference between two dates in years, months, and days. This is helpful for age calculations, tenure, or timeline summaries.
How to use the Date Difference Calculator
- Choose start and end dates.
- Click Calculate.
- Review years, months, and days.
Common use cases
- Calculating tenure or service length.
- Comparing project start and end dates.
- Summarizing age or duration in calendar units.
- Reporting date spans in audits.
Tips & notes
- Calendar differences can vary from simple day counts.
- Use Days Between Two Dates for pure day totals.
- Consider time zones when dates come from timestamps.
Related time tools
- Days Between Two Dates
- Age Calculator
- Add or Subtract Days
FAQ
Does it consider exact calendar months?
Yes. It uses calendar-aware differences.
Is the end date inclusive?
It measures elapsed time between the two dates.
Can I include time of day?
No. It works on dates, not timestamps.