Decision Workspace
utcize vs chrono-tz vs tz-rs
Side-by-side comparison of Rust crates
38
utcize
experimentalv0.1.0
Normalize any datetime input to UTC. Automatically.
64
chrono-tz
growingv0.10.4
TimeZone implementations for chrono from the IANA database
67
tz-rs
growingv0.7.3
A pure Rust reimplementation of libc functions localtime, gmtime and mktime.
Core Metrics
| utcize | chrono-tz | tz-rs | |
|---|---|---|---|
| Health Score | 38 | 64 | 67 |
| Total Downloads | 531 | 96.1M | 14.0M |
| 30d Downloads | 3 | 7.9M | 712.0K |
| Dependents | 0 | 8.6K | 369 |
| Releases | 1 | 36 | 32 |
| Last Updated | 301d ago | 259d ago | 57d ago |
| Age | 10m | 9y 5m | 4y 1m |
Health Breakdown
utcize
Maintenance
3
Quality
14
Community
5
Popularity
3
Documentation
13
chrono-tz
Maintenance
9
Quality
13
Community
19
Popularity
8
Documentation
15
tz-rs
Maintenance
16
Quality
18
Community
13
Popularity
8
Documentation
12
Technical Details
| utcize | chrono-tz | tz-rs | |
|---|---|---|---|
| Version | 0.1.0 | 0.10.4 | 0.7.3 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 3 | 10 | 0 |
| Crate Size | 14KB | 794KB | 48KB |
| Features | 0 | 5 | 3 |
| Yanked % | 0.0% | 2.8% | 0.0% |
| Edition | 2024 | 2021 | 2024 |
| MSRV | — | 1.65 | 1.85 |
| Owners | 1 | 2 (team) | 1 |
Links
Quick Verdict
- •tz-rs leads with a health score of 67/100, but none of the options score above 80.
- •chrono-tz has the most downloads (96.1M), suggesting wider adoption.
- •chrono-tz is depended on by 8.6K crates — strongest ecosystem trust.