Calculate net business days between two dates excluding weekends and Saturdays.
Execution runs 100% locally inside the browser sandbox using HTML5 Canvas, Web Cryptography Subtle API, and Web Workers. Zero egress.
Zero network latency. Operates completely offline with zero dependencies on third-party backend servers or cloud services.
Built according to official RFC specifications, cryptographic test vectors, and enterprise-grade data transformation standards.
Choose beginning date of project or sprint.
Choose target completion deadline.
Inspect total business workdays and weekend days off.
Yes, standard Monday through Friday (5-day work week) is default, with an optional toggle for 6-day weeks.
Yes, multi-year spans are accurately computed.
Zero-egress companion tools in the Date & Time suite
Convert times across world timezones and compute exact business days.
Convert between Unix timestamps and human-readable UTC/ISO dates.
Calculate exact intervals, working business days, and future date offsets.
Calculate calendar and custom fiscal year quarters starting in any month (e.g. Feb, July, Oct).
