Subtract Days from Date Calculator
Use the Subtract Days from Date Calculator to subtract calendar days from a selected date quickly on mobile or desktop.
Subtract Days from Date Calculator
Tool inputs are not stored, and private values stay out of analytics.
Result
How it works
Enter the required date or time, adjust the options, then run the Subtract Days from Date Calculator for a clear copyable result.
The tool works by moving the selected calendar date backward by the entered whole-day amount. Processing stays in the browser, and entered date or time values are not stored or sent to analytics.
Examples
Practical example
Subtracting 10 days from March 15 returns March 5.
Accuracy note
Check the time zone and date format when comparing a result with another system.
FAQ
How do I use the Subtract Days from Date Calculator?
Enter the requested values, review the options, then calculate and read the result.
Are entered dates or times stored?
No. The calculation runs in the browser and input values are not stored.
Does it work on mobile?
Yes. The controls and results are designed for phones and desktop browsers.