Business day calculator
Pick two dates and press Count days. Monday–Friday is the default.
Working calendar · weekdays & holidays
Choose two dates and count days. By default Monday–Friday are working days, the start is included and the end excluded. A single-date range counts only when both endpoints are included. Enter excluded holidays as YYYY-MM-DD, separated by spaces, commas or new lines; national holidays are not automatic.
Days between two dates
Add or subtract days
Quick answers
Date calculator
Choose two dates and count days. By default Monday–Friday are working days, the start is included and the end excluded. A single-date range counts only when both endpoints are included. Enter excluded holidays as YYYY-MM-DD, separated by spaces, commas or new lines; national holidays are not automatic.
Working days
Adding working days starts with the next eligible date; subtracting starts with the previous one. Zero returns the original date. Leap days count; daylight saving does not change calendar-day counts. Inputs are not saved. For official deadlines, check the applicable contract or local rules.