[leni536]

Or we would use the NTP timestamp directly (or a lower precision version) as time_t, which (AFAIK) doesn't suffer from leap seconds. On can always convert time_t to truct tm, tm_sec is defined to be in the range of [0..60].

[leni536]

Looks like I was wrong:

https://www.eecis.udel.edu/~mills/leap.html