POSIX time_t still ticked, but the interval between the ticks was 0s, rather than 1s or 2s.
It preserves A (exactly 86400 ticks per calendar day) and C (remains in alignment with UTC) by abandoning B (each tick has a fixed duration)
It preserves A (exactly 86400 ticks per calendar day) and C (remains in alignment with UTC) by abandoning B (each tick has a fixed duration)