Date Calculator

A comprehensive suite of date and time calculation tools, including time difference, working days, date addition and subtraction, and more.

Business Days Calculator

Calculates the number of working days between two dates, excluding weekends and holidays.

Each result states its calendar source and coverage. Verified annual arrangements are used when available; otherwise dates follow calendar rules. Strict queries reject incomplete coverage.

Business Days Calculator

Inputs are converted to dates in the selected time zones before counting. Reversed dates and their inclusion settings are swapped together.

Manual adjustments override the weekly schedule, holidays and date-type filter. Enter local or employer arrangements yourself; annual make-up workdays are not supplied automatically.

Extra working day
Exclude
Weekends and Public Holidays
Calculation History
No data
No history records available

Features

Smart Exclusion

Automatically exclude weekends and statutory holidays of various countries to ensure the accuracy of working day calculations

Business Specific

Designed specifically for business scenarios, supporting project management and contract deadline calculations

Precise Calculation

Accurately count net working days and provide detailed date analysis reports

Flexible Configuration

Supports multiple calculation modes and customizable holiday settings

Applicable Scenarios

Project Management

Calculate project durations, milestone intervals, resource scheduling, and other project management needs

Contract Management

Calculate working days for contracts, service periods, delivery cycles, and other business contract management

Deadline

Calculate task deadlines, working day countdowns, and project delivery dates

Billing Statistics

Count working days for salary calculation, service billing, attendance management, etc.

Usage Instructions

1.Select start date and end date
2.Choose the relevant country or region to apply the correct holidays
3.Set the calculation mode (exclude or include specific date types)
4.Select the date types to process (weekends, holidays, or both)
5.The system automatically calculates the net working days and displays detailed statistics

Frequently Asked Questions

How to use the working day calculator?

Choose a country and, if available, a state or province. Set working weekdays, dates and inclusion options. Your choices are saved in this browser.

Related Tools

Business Days Calculator - Accurate Counting of Working Days