Each clock against atomic time (time.cloudflare.com), sampled every 30 s.
| Heart (set once) | -75.741 ms |
| Heart (set every hour) | -5.730 ms |
| Raw crystal (set once) | -75.802 ms |
| Raw crystal (set every hour) | -5.738 ms |
| This machine's own clock | -4.288 ms |
| Heart time lost to host stalls | +0.000 ms |
| Atomic round trip | +9.317 ms |