Date Difference Calculator
Days, weeks, months, and years between two dates.
Find the time between two dates
This calculator answers how much time sits between two calendar dates: years, months, weeks, and total days.
Pick a start date and an end date above. The result updates as soon as both dates are valid. If the end date is earlier, the duration is still shown as a positive gap.
Use it for project timelines, leave days, or the span between two events. It runs in your browser and does not save the dates you enter.
date difference calculator FAQ
Enter the first date and the second date. Total days is the calendar-day count between them, and Duration breaks that into years, months, and leftover days.
No. If you reverse the dates, the calculator still reports the same length of time.
This tool compares calendar dates only, not clock time. Each date is counted as a full day in your local calendar.