Decision Workspace
utcize vs chrono-tz vs jiff-static
Side-by-side comparison of Rust crates
38
utcize
experimentalv0.1.0
Normalize any datetime input to UTC. Automatically.
63
chrono-tz
growingv0.10.4
TimeZone implementations for chrono from the IANA database
68
jiff-static
growingv0.2.25
Create static TimeZone values for Jiff (useful in core-only environments).
Core Metrics
| utcize | chrono-tz | jiff-static | |
|---|---|---|---|
| Health Score | 38 | 63 | 68 |
| Total Downloads | 533 | 112.2M | 64.8M |
| 30d Downloads | 0 | 8.5M | 9.8M |
| Dependents | 0 | 10.4K | 48 |
| Releases | 1 | 36 | 24 |
| Last Updated | 360d ago | 318d ago | 1d ago |
| Age | 12m | 9y 7m | 1y 2m |
Health Breakdown
utcize
Maintenance
3
Quality
14
Community
5
Popularity
3
Documentation
13
chrono-tz
Maintenance
8
Quality
13
Community
19
Popularity
8
Documentation
15
jiff-static
Maintenance
19
Quality
16
Community
10
Popularity
8
Documentation
15
Technical Details
| utcize | chrono-tz | jiff-static | |
|---|---|---|---|
| Version | 0.1.0 | 0.10.4 | 0.2.25 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | Apache-2.0 | MIT OR Apache-2.0 | Unlicense OR MIT |
| Dependencies | 3 | 10 | 4 |
| Crate Size | 14KB | 794KB | 84KB |
| Features | 0 | 5 | 4 |
| Yanked % | 0.0% | 2.8% | 0.0% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | — | 1.65 | 1.70 |
| Owners | 1 | 2 (team) | 1 |
Links
Quick Verdict
- •jiff-static leads with a health score of 68/100, but none of the options score above 80.
- •chrono-tz has the most downloads (112.2M), suggesting wider adoption.
- •chrono-tz is depended on by 10.4K crates — strongest ecosystem trust.