Calculators
Date difference calculator
Count the days, weeks, months, and years between two dates.
Free to use · Runs in your browser · No signup
This tool works in your browser. Enable JavaScript to select files and create your download.
How to use Date difference calculator
- Enter the start date.
- Enter the end date and choose whether to count it.
- Read the difference in days, weeks, and years, months, and days.
What you need
Nothing to upload. Type or paste directly into the tool; results update as you go.
Your result
The number of days and the calendar difference.
Before you start
Calendar months have different lengths, so month counts step from the start date. Time zones and daylight saving time do not affect the result.
Questions about Date difference calculator
How do I use Date difference calculator?
Enter the start date. Enter the end date and choose whether to count it. Read the difference in days, weeks, and years, months, and days.
What does Date difference calculator produce?
The number of days and the calendar difference.
What should I check before using Date difference calculator?
Calendar months have different lengths, so month counts step from the start date. Time zones and daylight saving time do not affect the result.
Is what I type sent anywhere?
No. The calculation runs in your browser, and the text or numbers you enter are not uploaded or stored.