Each clock against atomic time (time.cloudflare.com), sampled every 30 s.
| Heart (set once) | -1896624.543 ms |
| Heart (set every hour) | -28770.746 ms |
| Raw crystal (set once) | +5845.700 ms |
| Raw crystal (set every hour) | +23.746 ms |
| This machine's own clock | +5.216 ms |
| Heart time lost to host stalls | +1902476.441 ms |
| Atomic round trip | +5.598 ms |