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CalendarLogic builds business-day and deadline calculators that respect weekends, public holidays, and cutoff times so teams can ship on schedule. Every tool is written in plain language, backed by charts and PDF exports, and designed to be mobile friendly.

Explore our most popular tools and resources:

Add Business Days to a Date Calculator — skip weekends and holidays automatically.
All tools — find calculators for deadlines, planning, and reporting.
How to add business days — step-by-step guide with common pitfalls.
About CalendarLogic — our mission, approach, and roadmap.
Contact support — email us with feedback or partnership questions.

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