Sort multiple calendar dates and ISO 8601 timestamps chronologically.
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.
Paste dates (one per line) in any standard format.
Select Oldest First (Asc) or Newest First (Desc).
Copy the ordered date list with one click.
Standard ISO 8601 (2026-12-25), US format (12/25/2026), and textual dates (Aug 24, 2026).
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).