Each clock against atomic time (time.cloudflare.com), sampled every 30 s.
| Heart (set once) | -2178332.472 ms |
| Heart (set every hour) | -27301.652 ms |
| Raw crystal (set once) | +6132.684 ms |
| Raw crystal (set every hour) | +20.949 ms |
| This machine's own clock | +1.083 ms |
| Heart time lost to host stalls | +2184472.360 ms |
| Atomic round trip | +13.855 ms |