Star tools to pin quick links here.

    Business Day Calculator

    Date & Time

    Add or subtract workdays and count business days between dates with custom weekends and holiday lists.

    Business Day Math

    Result Date --
    Weekday --
    ISO 8601 --
    Calendar Days Moved --
    Non-Working Days Skipped --

    Business Day Count

    Business Days --
    Calendar Days Included --
    Non-Working Days --
    Holiday Exclusions --
    Direction --

    Workweek and Holidays

    Uncheck days that are not part of your workweek.
    Use YYYY-MM-DD, separated by commas or new lines.

    How it works

    Flexible workweeks: Choose which weekdays count as business days.
    Holiday support: Exclude custom holiday dates from your calculations.
    Instant results: Add or subtract workdays and count ranges immediately.
    Private: Everything runs locally in your browser with no uploads.

    Try Other Tools

    Date Arithmetic

    Add or subtract days, weeks, months, and years from a date

    Date Difference Calculator

    Compare two dates and get totals plus calendar breakdowns

    Unix Timestamp Converter

    Convert Unix timestamps to readable dates and back

    Timezone Converter

    Convert times across time zones with DST awareness

    Date Formatter

    Format dates with custom tokens and locales

    Recurring Date Generator

    Build recurring schedules with RRULE strings

    How helpful was this tool?

    Loading rating...