Decision Workspace
brightdate vs celestial-time vs tai-time
Side-by-side comparison of Rust crates
53
brightdate
experimentalv0.5.1
Universal Decimal Time System anchored at J2000.0 — a scientifically grounded, timezone-free time representation
49
celestial-time
experimentalv0.1.1-alpha.2
Pure Rust astronomical time scales
59
tai-time
stablev1.0.0
Nanosecond-precision monotonic clock timestamps based on the TAI time standard.
Core Metrics
| brightdate | celestial-time | tai-time | |
|---|---|---|---|
| Health Score | 53 | 49 | 59 |
| Total Downloads | 253 | 392 | 91.8K |
| 30d Downloads | 0 | 0 | 5.0K |
| Dependents | 40 | 9 | 23 |
| Releases | 9 | 2 | 9 |
| Last Updated | 4d ago | 96d ago | 122d ago |
| Age | 14d | 3m | 2y 2m |
Health Breakdown
brightdate
Maintenance
14
Quality
14
Community
10
Popularity
3
Documentation
12
celestial-time
Maintenance
12
Quality
15
Community
9
Popularity
3
Documentation
10
tai-time
Maintenance
12
Quality
19
Community
10
Popularity
6
Documentation
12
Technical Details
| brightdate | celestial-time | tai-time | |
|---|---|---|---|
| Version | 0.5.1 | 0.1.1-alpha.2 | 1.0.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 4 | 6 | 6 |
| Crate Size | 90KB | 75KB | 30KB |
| Features | 1 | 2 | 7 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | 1.75 | — | 1.88.0 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •tai-time leads with a health score of 59/100, but none of the options score above 80.
- •brightdate, celestial-time are pre-1.0 — API may change.