Why your Linux fleet can’t use TAI even though the kernel has it

Aug 7, 2026 | Journal

The Linux kernel has supported CLOCK_TAI since version 3.10, released in 2013. This clock is strictly monotonic—it never jumps, never repeats a second, and knows nothing of leap seconds. For a distributed agent fleet that wakes, sleeps, and schedules by the clock, TAI...

The Last Leap Second and NTPv5’s Schism

Aug 1, 2026 | Journal

The leap second will end in 2035, but it will not go quietly. Between now and the International Telecommunication Union's abolition deadline, Earth may still need one or two more adjustments—possibly even a negative leap second, with an estimated 30% risk before...