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hifitime

v4.2.6 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 4d ago)
  • โœ“Stable API (4.x for 8+ years)
  • โœ“Trusted by 515 crates
  • !Heavy dependency tree (21 direct deps)

Security

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Downloads
771.0K
Dependents
515
Releases
64
Size
159KB

Deep Insights

๐Ÿ“Š
Stable downloads

60.0K downloads in the last 30 days (2.0K/day). Volume is roughly flat compared to the previous period.

๐Ÿ”—
Moderate adoption

515 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 64 releases. This level of maturity means you can depend on it without worrying about breaking changes.

๐Ÿ“ฆ
Heavy dependency tree

21 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 19/25

Recency, release consistency, active ratio

Quality 18/25

Yanked ratio, deps, size, maturity, features

Community 13/20

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+67%
01K2K3K4K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v3.9.0
52%
v4.2.3
14%
v3.8.0
14%
v3.8.4
10%
v4.0.2
10%

Release Timeline

64 releases2 yankedsince 2017
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A
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N
D
2017
1
2018
6
2019
10
2020
4
2021
7
2022
12
2023
6
2024
7
2025
8
2026
3
Less
More|
Yanked

Feature Flags

default =["std"]

ltsstd*ut1python

README

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Maintainers

Dependencies
21
direct dependencies
Dependents
515
crates depend on hifitime

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