| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 5 of 217 | 97% | 1 of 12 | 91% | 2 | 16 | 2 | 38 | 1 | 10 |
| registerLeapSecond(long, int) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| convertToUtc(Instant) | | 100% | | 75% | 1 | 3 | 0 | 9 | 0 | 1 |
| convertToInstant(UtcInstant) | | 100% | | 100% | 0 | 3 | 0 | 10 | 0 | 1 |
| validateModifiedJulianDay(long, long) | | 100% | | 100% | 0 | 3 | 0 | 5 | 0 | 1 |
| convertToTai(UtcInstant) | | 100% | n/a | 0 | 1 | 0 | 6 | 0 | 1 | |
| toString() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| convertToInstant(TaiInstant) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| convertToTai(Instant) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| UtcRules() | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| system() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |