Decision Workspace
icu_calendar vs icu_datetime vs icu_time
Side-by-side comparison of Rust crates
70
icu_calendar
stablev2.2.1
Date APIs for Gregorian and non-Gregorian calendars
72
icu_datetime
stablev2.2.0
Human-readable formatting of dates, times, and time zones in hundreds of locales
69
icu_time
stablev2.2.0
Processing of dates, times, and time zones with a focus on i18n and interop
Core Metrics
| icu_calendar | icu_datetime | icu_time | |
|---|---|---|---|
| Health Score | 70 | 72 | 69 |
| Total Downloads | 7.3M | 5.6M | 1.5M |
| 30d Downloads | 967.5K | 547.7K | 321.3K |
| Dependents | 300 | 166 | 48 |
| Releases | 28 | 24 | 7 |
| Last Updated | 53d ago | 54d ago | 54d ago |
| Age | 5y | 5y 7m | 1y 3m |
Health Breakdown
icu_calendar
Maintenance
16
Quality
18
Community
18
Popularity
8
Documentation
10
icu_datetime
Maintenance
18
Quality
19
Community
17
Popularity
8
Documentation
10
icu_time
Maintenance
16
Quality
20
Community
16
Popularity
7
Documentation
10
Technical Details
| icu_calendar | icu_datetime | icu_time | |
|---|---|---|---|
| Version | 2.2.1 | 2.2.0 | 2.2.0 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✓ Yes |
| License | Unicode-3.0 | Unicode-3.0 | Unicode-3.0 |
| Dependencies | 22 | 30 | 17 |
| Crate Size | 813KB | 206KB | 50KB |
| Features | 11 | 10 | 10 |
| Yanked % | 3.6% | 0.0% | 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 72/100, but none of the options score above 80.
- •icu_calendar has the most downloads (7.3M), suggesting wider adoption.
- •icu_calendar is depended on by 300 crates — strongest ecosystem trust.