Date Difference Calculator

Calculate the difference between two dates

Start Date

End Date

Include end day in count

Quick:

Select dates to compare

Choose a start and end date to see the difference

Features

• Calculate exact difference in years, months, and days
• View total days, weeks, hours, minutes, and seconds
• Count work days (Monday-Friday) and weekend days
• Option to include or exclude the end date
• Quick presets for common time periods

What is a Date Difference Calculator?

A date difference calculator computes the duration between two dates in days, weeks, months, and years. Also shows business days (excluding weekends). Works for past, present, and future dates.

Frequently Asked Questions

Does it count business days?

Yes. Shows both total calendar days and business days (excluding Sat/Sun).

Can I use past dates?

Yes. Enter any two dates in any order.

Does it handle leap years?

Yes. All calculations correctly account for leap years and month lengths.