Decision Workspace
icu_datetime vs icu_calendar vs icu_time
Side-by-side comparison of Rust crates
70
icu_datetime
stablev2.2.0
Human-readable formatting of dates, times, and time zones in hundreds of locales
68
icu_calendar
stablev2.2.1
Date APIs for Gregorian and non-Gregorian calendars
68
icu_time
stablev2.2.0
Processing of dates, times, and time zones with a focus on i18n and interop
Core Metrics
| icu_datetime | icu_calendar | icu_time | |
|---|---|---|---|
| Health Score | 70 | 68 | 68 |
| Total Downloads | 6.6M | 9.4M | 2.2M |
| 30d Downloads | 365.1K | 912.8K | 249.5K |
| Dependents | 176 | 321 | 55 |
| Releases | 24 | 28 | 7 |
| Last Updated | 103d ago | 102d ago | 103d ago |
| Age | 5y 9m | 5y 2m | 1y 4m |
Health Breakdown
icu_datetime
Maintenance
16
Quality
19
Community
17
Popularity
8
Documentation
10
icu_calendar
Maintenance
14
Quality
18
Community
18
Popularity
8
Documentation
10
icu_time
Maintenance
14
Quality
20
Community
16
Popularity
8
Documentation
10
Technical Details
| icu_datetime | icu_calendar | icu_time | |
|---|---|---|---|
| Version | 2.2.0 | 2.2.1 | 2.2.0 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✓ Yes |
| License | Unicode-3.0 | Unicode-3.0 | Unicode-3.0 |
| Dependencies | 30 | 22 | 17 |
| Crate Size | 206KB | 813KB | 50KB |
| Features | 10 | 11 | 10 |
| Yanked % | 0.0% | 3.6% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | 1.86 | 1.86 | 1.86 |
| Owners | 2 (team) | 2 (team) | 3 (team) |
Links
Quick Verdict
- •icu_datetime leads with a health score of 70/100, but none of the options score above 80.
- •icu_calendar has the most downloads (9.4M), suggesting wider adoption.
- •icu_calendar is depended on by 321 crates — strongest ecosystem trust.