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70

jiff

v0.2.25 Growing

A date-time library that encourages you to jump into the pit of success. This library is heavily inspired by the Temporal project.

Unlicense OR MIT Edition 2021 MSRV 1.70
Date and timeNo standard library #time#date#calendar#zone#duration

Quick Verdict

  • โœ“Actively maintained (updated 1d ago)
  • !Pre-1.0: API may have breaking changes
  • โœ“Massive adoption (6.9K crates depend on it)
  • !Heavy dependency tree (27 direct deps)
  • โœ“Permissive license (Unlicense OR MIT)

Security

Checking security advisories...
Downloads
111.7M
Dependents
6.9K
Releases
57
Size
760KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

14.9M downloads in the last 30 days (495.9K/day), up 23% from the previous period.

๐Ÿ”—
Widely adopted

6.9K crates depend on jiff. Strong ecosystem adoption means battle-tested code and long-term stability.

๐Ÿ‘ค
Prolific maintainer

The primary maintainer publishes 84 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 2+ years old, jiff hasn't reached 1.0 yet. Expect potential API changes between versions.

๐Ÿ“ฆ
Heavy dependency tree

27 direct dependencies. Consider the impact on compile times and supply chain complexity.

๐ŸŒŸ
Used by top crates

Notable dependents include clap, env_logger, schemars, zip, pyo3. When high-quality crates choose jiff, it's a strong quality signal.

Health Breakdown

Maintenance 19/25

Recency, release consistency, active ratio

Quality 13/25

Yanked ratio, deps, size, maturity, features

Community 15/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 15/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
431K/day avg+27%
0200K400K600K2/263/164/34/215/95/26

Top Dependents

Version Adoption

v0.2.23
39%
v0.2.16
21%
v0.2.18
19%
v0.2.24
13%
v0.2.20
7%

Release Timeline

10 releasessince 2025
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2026
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Feature Flags

default =["std", "tz-system", "tz-fat", "tzdb-bundle-platform", "tzdb-zoneinfo", "tzdb-concatenated", "perf-inline"]

jsstd*allocserdestatictz-fat*loggingstatic-tztz-system*perf-inline*tzdb-zoneinfo*tzdb-concatenated*tzdb-bundle-alwaystzdb-bundle-platform*

README

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Maintainers

Dependencies
27
direct dependencies
Dependents
6.9K
crates depend on jiff

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