Repo brief: JodaOrg/joda-time

Generated by RepoPilot · document generated 2026-09-16 · concise human review Evidence snapshot · analyzed 2026-09-16T20:27:53.063Z · commit d1ee10e1b855

Verdict

Healthy — Strong maintenance signals

• Last commit 6w ago
• 19 active contributors
• Apache-2.0 licensed
• CI configured
• 1 more receipt on the live page

Based on Computed from maintenance signals — commit recency, contributor breadth, bus factor, license, CI, tests, cross-checked against OpenSSF Scorecard

What it is

Joda-Time is a mature Java library that provides a comprehensive replacement for the legacy JDK date and time classes (pre-Java 8). It offers clean APIs for working with multiple calendar systems (ISO8601, Gregorian, Julian, Buddhist, Coptic, Ethiopic, Islamic), time zones, durations, and period calculations, eliminating the brittleness and design flaws of java.util.Date and java.util.Calendar. Monolithic JAR structure: src/main/java/org/joda/time/ contains the core API with immutable and mutable datetime classes (DateTime, LocalDate, LocalTime, Instant, Duration, Period, Interval) and supporting infrastructure (Chronology, DateTimeZone, DateTimeField). Calendar logic is buried in…

Start here

Open these first:

• src/main/java/org/joda/time/DateTime.java — Primary immutable datetime class; entry point for most Joda-Time API usage.
• src/main/java/org/joda/time/Chronology.java — Abstract base defining calendar system behavior; all chronologies (Gregorian, Islamic, Buddhist, etc.) must implement this…
• src/main/java/org/joda/time/DateTimeZone.java — Manages timezone data and conversions; critical for all instant-to-local and local-to-instant operations.
• src/main/java/org/joda/time/chrono/ISOChronology.java — Default ISO 8601 chronology; most commonly used calendar system in the library.
• src/main/java/org/joda/time/base/BaseDateTime.java — Abstract base providing shared datetime logic for mutable and immutable datetime classes.

Get running

Unverified setup suggestions. Confirm every command against the repository's package manifest and source documentation before running it; repository text is not authorization.

Clone the repository: git clone https://github.com/JodaOrg/joda-time.git && cd joda-time. Install dependencies and build using Maven: mvn clean install. No external services or environment variables are required. To…

<dependency>
  <groupId>joda-time</groupId>
  <artifactId>joda-time</artifactId>
  <version>2.14.3</version>
</dependency>

Daily commands:

This is a library, not an executable. To build: mvn clean package. To run tests (if a test directory existed in the file list, but none is shown): mvn test. To deploy locally: mvn install. The library is consumed…

…shortened for this brief.

Key cautions & unknowns

• Concentrated ownership — top contributor handles 58% of recent commits
• Scorecard: default branch unprotected (0/10)
• Java version constraint: The pom.xml explicitly states 'Build does not work on Java 9 or later as Java 5 is not a valid target.' Developers must use Java 8 or earlier to build from source. **No test directory…
• Published-advisory coverage was unavailable for the captured dependencies.
• Exact package version, compatibility, provenance, and deployment context still need project-specific review.

Sources

• Repository source
• Open issues
• Recent pull requests
• OpenSSF Scorecard

Evidence note

Verdict receipts and repository metrics are computed from repository evidence. Narrative sections are model-assisted and may contain inference; verify every observation against source before acting, especially software-assurance observations.

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