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chrono-tz

v0.10.4 Growing

TimeZone implementations for chrono from the IANA database

MIT OR Apache-2.0 Edition 2021 MSRV 1.65
Date and time #time#date#timezone#iana#zone

Quick Verdict

  • โœ•Not updated for 1+ year
  • !Pre-1.0: API may have breaking changes
  • โœ“Massive adoption (12.3K crates depend on it)
  • โœ“Team maintained (2 owners)
  • โœ“Permissive license (MIT OR Apache-2.0)

Security

Checking security advisories...
Downloads
128.6M
Dependents
12.3K
Releases
36
Size
794KB

Deep Insights

๐Ÿ“Š
Stable downloads

9.8M downloads in the last 30 days (325.1K/day). Volume is roughly flat compared to the previous period.

๐Ÿ›๏ธ
Foundational crate

12.3K crates depend on chrono-tz โ€” it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.

๐Ÿ‘ฅ
Team maintained

This crate is maintained by a team (2 owners), reducing bus-factor risk and ensuring continuity.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 9+ years old, chrono-tz hasn't reached 1.0 yet. Expect potential API changes between versions.

๐ŸŒŸ
Used by top crates

Notable dependents include iana-time-zone, pyo3, jiff, arrow-array, async-graphql. When high-quality crates choose chrono-tz, it's a strong quality signal.

Health Breakdown

Maintenance 7/25

Recency, release consistency, active ratio

Quality 13/25

Yanked ratio, deps, size, maturity, features

Community 19/20

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
278K/day avg-37%
0100K200K300K400K4/265/146/16/197/77/24

Top Dependents

Version Adoption

v0.10.4
43%
v0.9.0
22%
v0.8.6
20%
v0.10.0
10%
v0.10.3
5%

Release Timeline

10 releases1 yankedsince 2023
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2023
3
2024
3
2025
4
2026
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Yanked

Feature Flags

default =["std"]

std*serdefilter-by-regexcase-insensitive

README

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Maintainers

Dependencies
10
direct dependencies
Dependents
12.3K
crates depend on chrono-tz

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