Date Difference Calculator

Calculate the number of days between two dates, including weekdays and workdays.
Date rangeReady.
Add or subtract timeEnter a base date.
Result date-Not calculated
Difference resultsChoose two dates to start.
Total days0End date excluded
Business days0Monday-Friday
Weeks0Sunday week start
Calendar span-Years, months, days
Weekend days0
Full weeks0
Remaining days0
Direction-
Start weekday-
End weekday-
Start date-
End date-
Calculations run in your browser. Dates are treated as local calendar dates, so daylight saving time does not change the day count.
Tool Introduction

Find the time between two calendar dates, including total days, business days, weekend days, full weeks, and a readable years-months-days span. Choose whether to include the end date when you need travel, billing, or event counts.

Use the date math panel to add or subtract days, business days, weeks, months, or years from a base date. The calculator uses local calendar dates and keeps everything in the browser.