I built a PTP clock, and now I'm not sure what time it is

A man with a watch knows what time it is. Mentioned in this video (some links are affiliate links): - Excuse me, what precise time is it? https://media.ccc.de/v/39c3-excuse-me-what-precise-time-is-it - PTP Wallclock open source project: https://github.com/Gemini2350/ptp-wallclock - My blog post on the setup: https://www.jeffgeerling.com/blog/2026/ptp-wall-clock-impractical-too-precise/ - Geerling Engineering video on the Blues game and PTP: https://www.youtube.com/watch?v=8Ar4wmA4ujM - Video on the Pico GPS mini rack clock: https://www.youtube.com/watch?v=E5qA4fgdS28 - Video on the Mitxela Precision Clock Mk IV: https://www.youtube.com/watch?v=aBDgD032DEI Parts needed for the build: - Raspberry Pi 4 B: https://www.raspberrypi.com/products/raspberry-pi-4-model-b/ - Adafruit RGB Matrix HAT: https://www.adafruit.com/product/2345 - (2x) Waveshare 64x32 LED RGB Matrix Panel: https://www.waveshare.com/RGB-Matrix-P3-64x32.htm - 3D Printable joining bracket: https://www.printables.com/model/16