Date Calculator
A comprehensive suite of date and time calculation tools, including time difference, working days, date addition and subtraction, and more.
Overview
Time Difference Calculator
Business Days Calculator
Date Addition and Subtraction Calculator
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
🌐 Coordinated Universal Time (UTC+0)
🌐 Coordinated Universal Time (UTC+0)
United States
National calendar only
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 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