Dev.to
6/16/2026

Date math notes for a court deadline calculator
Short summary
Technical guide to building court deadline calculators that prioritize clarity and auditability. Key principles: separate calendar math from legal rules, normalize inputs, display assumptions explicitly, and provide plain-language explanations users can verify. This pattern applies to any tool handling legal timelines where transparency matters more than clever implementation.
- •Separate calendar math from jurisdiction-specific legal rules
- •Normalize inputs, show assumptions explicitly, display start and end dates
- •Prioritize transparency and auditability over clever implementation
Generated with AI, which can make mistakes.
Is this a good recommendation for you?



