Date Calculator
Calculate date differences, include the end date, exclude weekdays, and add or subtract dates.
Total days
9
Total weeks
1.29
Months
0.30
Years
0.02
Excluded
0
Date Calculator FAQ
Use the date calculator to find days between dates, add days to a date, subtract days from a date, count business days, and compare date ranges.
How to use
- Choose time difference, time add, or time subtract
- Enter start and end dates or the units to add/subtract
- Exclude weekends or selected weekdays if needed
- Review day, week, month, and year results
Examples
Business day count
Exclude Saturday and Sunday to estimate usable project days.
Date offset
Add 90 days to a contract date or count backward from a deadline.
Can I calculate days between two dates?
Yes. Enter the start and end dates to see total days, weeks, months, and years.
Can I count business days?
Yes. Exclude Saturday, Sunday, or any weekday you do not want counted.
Can I add days to a date?
Yes. Use the add mode to calculate a future date from a starting point.
Calculate date differences, include the end date, exclude weekdays, and add or subtract dates. Core controls stay above the fold for fast use on desktop and mobile browsers.
Privacy: Date inputs are calculated locally in the browser.
Common searches
People also search for date calculator · date difference calculator · days between dates · add days to date · subtract days from date · business days calculator