Date Difference Calculator
Find the years, months, days, weeks and business days between two dates.
How to use
Pick the start date in the From field.
Pick the end date in the To field.
Read the difference in calendar units, total days, weeks and business days.
Example
One year and a bit
Whole months are added first, clamping to the last day of a short month, then the remaining days are counted.
From 2024-01-31, to 2025-03-05
1 year, 1 month, 5 days (399 days)
Frequently Asked Questions
Monday to Friday between the two dates, counting the start date and not the end date. Public holidays are not removed because they differ by country.
Capabilities
- Years, months and days
- Total days and weeks
- Business days (Monday to Friday)
- Leap years handled
- Reversed dates swapped
Related Tools
Convert Unix epoch timestamps to human-readable dates and human dates to epoch seconds and ms.
See the current time in several major cities.
Find your last working day from your resignation date and notice period.
A stopwatch with lap times.
Explore
Connected career roadmaps, algorithmic problems, and real-world curricula related to Date Difference Calculator.
Clear, milestone-driven paths from first fundamentals to your target engineering role.
Backend Engineer / Distributed Systems Developer · 8-12 months
Full-Stack Software Engineer · 8-12 months
DevOps / Cloud Infrastructure Engineer · 8-12 months
Cybersecurity Analyst / AppSec Engineer · 8-12 months