Working Days Calculator - Business day and holiday calculator
Working Days Calculator is a high-performance utility designed to compute net business days, target delivery dates, and precise project timelines across global jurisdictions. It provides developers, project managers, and financial professionals with an instant method to account for complex calendar constraints without manual counting or custom script overhead.
Key Features
- Global Holiday Jurisdictions: Automatically incorporates official statutory holidays and regional bank rules across more than eleven countries and all fifty US states.
- Custom Weekend Schedules: Supports alternative configurations, including standard Saturday-Sunday weekends, Friday-Saturday rest days, and compressed four-day workweeks.
- Advanced Parameter Tuning: Adjusts calculations by specific working hours per day, custom excluded dates, and inclusive or exclusive boundary rules.
- Multiple Calculation Modes: Computes net working days between two dates, adds business days to a start date, or subtracts days to find historical deadlines.
- Data Export and Sharing: Generates formatted text summaries, downloadable CSV exports, and direct shareable URLs containing exact configuration parameters.
The utility accommodates requirements ranging from software sprint planning and supply chain freight deadlines to financial settlement cycles and legal contract schedules. Completely free with zero sign-up required, it serves as a reliable reference tool for international teams managing multi-region operational timelines.