Days Between Dates Calculator
Count the exact number of days between two dates with this free days between dates calculator that runs in your browser.
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Result
Enter the details to see your result.
Runs in your browser. Your inputs are not saved or transmitted.
How to use this calculator
- Pick a start date and an end date.
- Read the total days, weeks and approximate months between them.
How it works
Counts whole days between the two dates (timezone-safe). Weeks = days ÷ 7; months are an approximation (÷ 30.44).
Worked example
1 June → 21 June 2026. = 20 days (2 weeks, 6 days).
Tips
- Runs entirely in your browser. Your inputs are not saved or transmitted.
Frequently asked questions
Is the end date included?
The result is the number of days from the start to the end date. Add one if you need to count both endpoints.
Are uploads involved?
Runs entirely in your browser. Your inputs are not saved or transmitted.
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Cite this tool
Zerdly. (2026). Days Between Dates Calculator. Retrieved from https://www.zerdly.com/tools/days-between-dates-calculator/
Tip: Enter any known values to calculate the remaining results.
All calculations run in your browser. Your inputs are never saved or transmitted.