— TAI and GPS time kinda solve that
But you cannot rely a lot on time unless you own an atomic clock or a gps clock and networking hardware capable of a PTP synchronization
— The perfect solution to everything, binary time, "will it happen?" or "did it happen?"
— It may be hard to realize, but the time light takes to go 1km is enough to complete a trading transaction in a financial quotation engine
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— Just by having a 2m DVI cable makes it impossible for your computer to display nanosecond accurate time
— It will always be off by at least 6ns, the time needed to go through that cable
— I cannot uphold any time constraints in my database engine except the following: time goes forward
— Most display panels are 60hzso youre off (in the worst case) by 1/60s
— I meant even in the case you had a mathematically perfect object as a screen
— True, but tbh, why would you want such "perfection"
— A human being couldnt tell any accurate time below 100ms
— What i mean to express is that computer science is one of the very few fields where you literally have to deal with relativistic effects, as such, never under estimate time