Is there a file size limit?

No practical limit for most operations.

Results are generated using standard algorithms for maximum accuracy.

simple

Business Days Calculator — simple

Calculate business days between two dates.

Skip US public holidays

Start Date

End Date

Type, paste, or upload your content.

Result appears instantly in your browser.

Copy the result or download your file.

Calculate the difference between two dates.

Count days until any future date or event.

Find the ISO week number for any date.