choptastic/qdate

qdate is an Erlang library for date and time manipulation that provides capabilities for parsing, formatting, arithmetic, and age calculation. It utilizes an ETS-based server to manage timezones, formats, and parsers, supporting features like relative date parsing and timezone conversion with DST disambiguation.

This entry establishes the baseline for version 0.7.4, introducing a new project structure with a Makefile, rebar3 configuration, and comprehensive documentation. The library now depends on \qdate\_localtime\ 1.2.0 and \erlware\_commons\ 1.9.1, with the changelog explicitly noting the update to \erlware\_commons\ for OTP 29 compatibility. Key features included in this release are the re-introduction of the \qdate\ server for storing timezones, formats, and parsers, the addition of \age\ and \age\_days\ functions, and an option to preserve millisecond accuracy in date parsing and formatting.

(repo-wide) · high confidence

The qdate library has been significantly expanded with new capabilities for date arithmetic (add\_seconds, add\_months, etc.), range generation, age calculation, and sorting/comparison. A new relative date/time parser has been added. Under the hood, the application structure has been refactored to use an ETS-based server (qdate\_srv) for managing parsers, formats, and timezones, replacing the previous mechanism. The API now supports timezone conversion, disambiguation strategies for DST, and PHP-style timezone characters.

src · high confidence

Written by watchdog.canine.dev from the codebase's own history, inside the signed delivery this page is composed from.

• CAI 61 → 68 (+7.9)
• Rubric changed (rubric-2026.09.12 → rubric-2026.09.18) — scores are not directly comparable.

• Code Health 96 → 96 (+0.0)
• Architecture 69 → 69 (+0.0)
• Maturity 54 → 57 (+3.7)
• Readiness 52 → 80 (+27.2)
• Security 100 → 100 (+0.0)

• No automated tests
• No tests found
• Test reliability not included

• Documentation: no installation or build instructions (README.md)
• Documentation: no usage examples (README.md)
• Unbounded dependency requirement: erlware_commons

Written by watchdog.canine.dev from the codebase's own history, inside the signed delivery this page is composed from.

choptastic/qdate was measured the same way every project in this corpus was: the same rubric, at a pinned commit, with the result published in full. Point a surveyor at a repository you know and see whether you agree with it.