Each clock against atomic time (time.google.com), sampled every 30 s.
| Heart (set once) | -1611.821 ms |
| Heart (set every hour) | -29.142 ms |
| Raw crystal (set once) | -1610.638 ms |
| Raw crystal (set every hour) | -29.108 ms |
| This machine's own clock | -0.112 ms |
| Heart time lost to host stalls | +0.000 ms |
| Atomic round trip | +1.967 ms |