CountBusinessDays
CountBusinessDays is a free web tool for calculating working days, business hours, SLA windows, and project deadlines directly in your browser.
Open productWhat it does
About CountBusinessDays
CountBusinessDays is a privacy-focused web application designed to compute working days, remaining business days per quarter or month, and invoice ages without requiring spreadsheets. Running locally in the user browser without accounts or server uploads, it supports U.S. and Canadian holiday presets, custom holidays, SLA hour tracking, and cascading deadline schedules.
- Availability:
- launched
- Access:
- free
- Format:
- software
- Platform:
- web
Pricing at launch: Free to use with no account or signup required.
Core capabilities
Business Day and Date Calculations
Calculates working days between specific dates, remaining business days in a month or quarter, and invoice aging without manual spreadsheets.
Holiday Management
Includes built-in support for U.S. Federal Holidays and Canadian Holidays with weekend observation rules, plus custom holiday definitions.
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