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hifitime

v4.3.0 Stable

Ultra-precise date and time handling in Rust for scientific applications with leap second support

MPL-2.0 Edition 2021
Date and timeNo standard library #time#date#science#no-std#leap-second

Quick Verdict

  • โœ“Actively maintained (updated 25d ago)
  • โœ“Stable API (4.x for 8+ years)
  • โœ“Trusted by 676 crates
  • !Heavy dependency tree (22 direct deps)

Security

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Downloads
859.6K
Dependents
676
Releases
65
Size
168KB

Deep Insights

๐Ÿ“Š
Steady growth

46.4K downloads in the last 30 days (1.5K/day), up 2% from the previous period.

๐Ÿ”—
Moderate adoption

676 crates depend on hifitime. Reasonable ecosystem adoption, though not yet a core dependency.

โœ…
Stable for 8+ years

The API has been stable (1.x) for over 8 years with 65 releases. This level of maturity means you can depend on it without worrying about breaking changes.

๐Ÿ“ฆ
Heavy dependency tree

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

๐ŸŒŸ
Used by top crates

Notable dependents include jiff, anise, rinex, nyx-space, gnss-rs. When high-quality crates choose hifitime, it's a strong quality signal.

Health Breakdown

Maintenance 17/25

Recency, release consistency, active ratio

Quality 18/25

Yanked ratio, deps, size, maturity, features

Community 14/20

Reverse deps, ownership, ecosystem

Popularity 7/15

Downloads, momentum, growth trend

Documentation 13/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
2K/day avg-30%
01K2K3K2/263/164/34/215/95/26

Top Dependents

Version Adoption

v4.2.3
39%
v4.1.3
17%
v4.2.4
17%
v4.2.6
14%
v4.2.5
13%

Release Timeline

10 releasessince 2025
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Feature Flags

default =["std"]

ltsstd*ut1python

README

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Maintainers

Dependencies
22
direct dependencies
Dependents
676
crates depend on hifitime

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