Decision Workspace
cap-time-ext vs hifitime vs chrono
Side-by-side comparison of Rust crates
66
cap-time-ext
stablev4.0.2
Extension traits for `SystemClock` and `MonotonicClock`
70
hifitime
stablev4.2.6
Ultra-precise date and time handling in Rust for scientific applications with leap second support
69
chrono
growingv0.4.44
Date and time library for Rust
Core Metrics
| cap-time-ext | hifitime | chrono | |
|---|---|---|---|
| Health Score | 66 | 70 | 69 |
| Total Downloads | 8.4M | 771.0K | 516.3M |
| 30d Downloads | 770.9K | 57.1K | 36.4M |
| Dependents | 275 | 515 | 278.0K |
| Releases | 87 | 64 | 94 |
| Last Updated | 40d ago | 4d ago | 32d ago |
| Age | 5y 6m | 8y 2m | 11y 4m |
Health Breakdown
cap-time-ext
Maintenance
17
Quality
18
Community
13
Popularity
8
Documentation
10
hifitime
Maintenance
19
Quality
18
Community
13
Popularity
7
Documentation
13
chrono
Maintenance
17
Quality
10
Community
19
Popularity
8
Documentation
15
Technical Details
| cap-time-ext | hifitime | chrono | |
|---|---|---|---|
| Version | 4.0.2 | 4.2.6 | 0.4.44 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✗ No |
| License | Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MIT | MPL-2.0 | MIT OR Apache-2.0 |
| Dependencies | 7 | 21 | 16 |
| Crate Size | 13KB | 159KB | 241KB |
| Features | 0 | 5 | 18 |
| Yanked % | 2.3% | 3.1% | 23.4% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | — | 1.62.0 |
| Owners | 2 | 1 | 2 (team) |
Links
Quick Verdict
- •hifitime leads with a health score of 70/100, but none of the options score above 80.
- •chrono has the most downloads (516.3M), suggesting wider adoption.
- •chrono is depended on by 278.0K crates — strongest ecosystem trust.
- •chrono is pre-1.0 — API may change.