Calendar-accurate and private
Date Difference Calculator
Find total days, weeks, weekdays, and the complete calendar gap between any two dates. Choose whether to include both endpoints.
DATE DIFFERENCE TOOL
Days between two dates
Total DaysWeeksBusiness DaysCalendar Difference
01
Choose two dates
Leap years and month lengths included02
DifferenceCalendar and working-day totals
Calculate the exact time between dates
Compare project dates, countdowns, birthdays, anniversaries, and deadlines. The calculator shows the absolute total in days, an equivalent in weeks and days, weekdays excluding Saturdays and Sundays, and complete calendar years, months, and days.
Turn on “Include both start and end dates” when both endpoints should count. Calculations account for leap years and month lengths and run entirely inside your browser.